Jack Klarich
Gold Member
Engine Light
Diagnostic Trouble Codes (DTCs) and Fault Conditions
Diagnostic Trouble Codes (DTCs) and Fault Conditions
| DTC | PRIORITY ORDER | FAULT CONDITION | SOLUTION |
| B1103 | 47 | LHCM internal error | SWITCH DIAGNOSTICS |
| B1153 | 46 | RHCM internal error | SWITCH DIAGNOSTICS |
| B1200 | 37 | IM internal fault | NO INSTRUMENT POWER DIAGNOSTICS |
| B1210 | 176 | Fuel level sender shorted low/open | FUEL GAUGE AND SENDER DIAGNOSTICS |
| B1211 | 182 | Fuel level sender shorted high | FUEL GAUGE AND SENDER DIAGNOSTICS |
| B1212 | 175 | Fuel signal low | FUEL GAUGE AND SENDER DIAGNOSTICS |
| B1213 | 176 | Fuel signal high | FUEL GAUGE AND SENDER DIAGNOSTICS |
| B1300 | 340 | Radio voltage high | AUDIO VOLTAGE DIAGNOSTICS |
| B1301 | 341 | Radio voltage low | AUDIO VOLTAGE DIAGNOSTICS |
| B1302 | 342 | Faceplate home button stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1303 | 343 | Faceplate favorite button stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1304 | 344 | Faceplate navigation button stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1305 | 345 | Faceplate power/mute button stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1306 | 399 | Rear hand controls shorted high | REAR AUDIO CONTROL DIAGNOSTICS |
| 81307 | 400 | Rear hand controls shorted low | REAR AUDIO CONTROL DIAGNOSTICS |
| 81308 | 401 | Rear volume up button stuck | REAR AUDIO CONTROL DIAGNOSTICS |
| B1309 | 402 | Rear volume down button stuck | REAR AUDIO CONTROL DIAGNOSTICS |
| B1310 | 403 | Rear mode button stuck | REAR AUDIO CONTROL DIAGNOSTICS |
| 81311 | 404 | Rear PTT button stuck | REAR AUDIO CONTROL DIAGNOSTICS |
| B1312 | 405 | Rear tune up button stuck | REAR AUDIO CONTROL DIAGNOSTICS |
| B1313 | 406 | Rear tune down button stuck | REAR AUDIO CONTROL DIAGNOSTICS |
| B1314 | 346 | LHCM VR PTT button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1315 | 347 | LHCM up button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1316 | 348 | LHCM left button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1317 | 349 | LHCM center button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1318 | 350 | LHCM right button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1319 | 351 | LHCM down button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1320 | 352 | RHCM info button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1321 | 353 | RHCM up button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1322 | 354 | RHCM left button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1323 | 355 | RHCM center button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1324 | 356 | RHCM right button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1325 | 357 | RHCM down button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1326 | 358 | RHCM CB squelch up button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1327 | 359 | RHCM CB PTT button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| B1328 | 360 | RHCM CB squelch down button stuck | FRONT HAND CONTROLS DIAGNOSTICS |
| 81329 | 361 | Faceplate preset button 1 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1330 | 362 | Faceplate preset button 2 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1331 | 363 | Faceplate preset button 3 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1332 | 364 | Faceplate preset button 4 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| 81333 | 365 | Faceplate preset button 5 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1334 | 366 | Faceplate preset button 6 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1335 | 367 | Faceplate preset button 7 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1336 | 368 | Faceplate preset button 8 stuck | FACEPLATE BUTTON DIAGNOSTICS |
| B1337 | 369 | Front left speaker shorted together | FRONT SPEAKER DIAGNOSTICS |
| B1338 | 370 | Front left speaker open | FRONT SPEAKER DIAGNOSTICS |
| B1339 | 371 | Front left speaker shorted low | FRONT SPEAKER DIAGNOSTICS |
| B1340 | 372 | Front left speaker shorted high | FRONT SPEAKER DIAGNOSTICS |
| B1341 | 373 | Rear left speaker shorted together | REAR SPEAKER DIAGNOSTICS |
| B1342 | 374 | Rear left speaker open | REAR SPEAKER DIAGNOSTICS |
| B1343 | 375 | Rear left speaker shorted low | REAR SPEAKER DIAGNOSTICS |
| B1344 | 376 | Rear left speaker shorted high | REAR SPEAKER DIAGNOSTICS |
| B1345 | 377 | Front right speaker shorted together | FRONT SPEAKER DIAGNOSTICS |
| B1346 | 378 | Front right speaker open | FRONT SPEAKER DIAGNOSTICS |
| B1347 | 379 | Front right speaker shorted low | FRONT SPEAKER DIAGNOSTICS |
| B1348 | 380 | Front right speaker shorted high | FRONT SPEAKER DIAGNOSTICS |
| B1349 | 381 | Rear right speaker shorted together | REAR SPEAKER DIAGNOSTICS |
| B1350 | 382 | Rear right speaker open | REAR SPEAKER DIAGNOSTICS |
| B1351 | 383 | Rear right speaker shorted low | REAR SPEAKER DIAGNOSTICS |
| 81352 | 384 | Rear right speaker shorted high | REAR SPEAKER DIAGNOSTICS |
| B1353 | 385 | Speaker output | DC offset DTC B1353 |
| B1354 | 386 | GPS antenna open | SECURITY ANTENNA DIAGNOSTICS |
| B1355 | 387 | GPS antenna shorted low | SECURITY ANTENNA DIAGNOSTICS |
| B1356 | 388 | SDARS antenna open | SECURITY ANTENNA DIAGNOSTICS |
| B1357 | 389 | SDARS antenna shorted | SECURITY ANTENNA DIAGNOSTICS |
| B1358 | 390 | Front left headset shorted high | HEADSET DTCS |
| B1359 | 391 | Front right headset shorted high | HEADSET DTCS |
| B1360 | 392 | Front left headset shorted low | HEADSET DTCS |
| B1361 | 393 | Front right headset shorted low | HEADSET DTCS |
| B1362 | 394 | Rear left headset shorted high | HEADSET DTCS |
| B1363 | 395 | Rear right headset shorted high | HEADSET DTCS |
| B1364 | 396 | Rear left headset shorted low | HEADSET DTCS |
| 81365 | 397 | Rear right headset shorted low | HEADSET DTCS |
| B1366 | 398 | Internal thermal shutdown error | DTC 81366 |
| B1367 | 451 | WIM fault detected | Code used to support P&A parts. |
| B1401 | 407 | Amp voltage low | AUDIO VOLTAGE DIAGNOSTICS |
| B1402 | 408 | Amp voltage high | AUDIO VOLTAGE DIAGNOSTICS |
| 81403 | 409 | Speaker output DC offset | AMPLIFIER 1 DTCS |
| B1404 | 410 | Internal thermal shutdown error | AMPLIFIER 1 DTCS |
| B1405 | 427 | EQ correlation error | AUDIO SYSTEM SYMPTOMS |
| 81406 | 428 | Invalid or missing EQ | AUDIO SYSTEM SYMPTOMS |
| B1410 | 411 | Channel 1 speaker open | AMPLIFIER 1 DTCS |
| B1411 | 412 | Channel 1 speaker shorted low | AMPLIFIER 1 DTCS |
| B1412 | 413 | Channel 1 speaker shorted high | AMPLIFIER 1 DTCS |
| B1413 | 414 | Channel 1 speaker shorted together | AMPLIFIER 1 DTCS |
| B1420 | 415 | Channel 2 speaker open | AMPLIFIER 1 DTCS |
| B1421 | 416 | Channel 2 speaker shorted low | AMPLIFIER 1 DTCS |
| B1422 | 417 | Channel 2 speaker shorted high | AMPLIFIER 1 DTCS |
| B1423 | 418 | Channel 2 speaker shorted together | AMPLIFIER 1 DTCS |
| B1430 | 419 | Channel 3 speaker open | AMPLIFIER 1 DTCS |
| B1431 | 420 | Channel 3 speaker shorted low | AMPLIFIER 1 DTCS |
| B1432 | 421 | Channel 3 speaker shorted high | AMPLIFIER 1 DTCS |
| 81433 | 422 | Channel 3 speaker shorted together | AMPLIFIER 1 DTCS |
| B1440 | 423 | Channel 4 speaker open | AMPLIFIER 1 DTCS |
| B1441 | 424 | Channel 4 speaker shorted low | AMPLIFIER 1 DTCS |
| B1442 | 425 | Channel 4 speaker shorted high | AMPLIFIER 1 DTCS |
| B1443 | 426 | Channel 4 speaker shorted together | AMPLIFIER 1 DTCS |
| B2102 | 4 | System power output shorted high | SYSTEM POWER CIRCUIT DIAGNOSTICS |
| B2103 | 5 | System power output shorted low | SYSTEM POWER CIRCUIT DIAGNOSTICS |
| B2104 | 6 | System power output over- loaded | SYSTEM POWER CIRCUIT DIAGNOSTICS |
| B2106 | 257 | L4 open output | HEADLAMP DIAGNOSTICS |
| B2107 | 225 | L4 output shorted high | HEADLAMP DIAGNOSTICS |
| B2108 | 226 | L4 output shorted low | HEADLAMP DIAGNOSTICS |
| B2109 | 227 | L4 output overloaded | HEADLAMP DIAGNOSTICS |
| B2112 | 132 | ACC output shorted high | ACC CIRCUIT DIAGNOSTICS |
| B2113 | 134 | ACC output shorted low | ACC CIRCUIT DIAGNOSTICS |
| B2114 | 136 | ACC output overloaded | ACC CIRCUIT DIAGNOSTICS |
| B2116 | 92 | Fuel pump output open | FUEL PUMP DIAGNOSTICS |
| B2117 | 93 | Fuel pump output shorted high | FUEL PUMP DIAGNOSTICS |
| B2118 | 94 | Fuel pump output shorted low | FUEL PUMP DIAGNOSTICS |
| B2119 | 95 | Fuel pump output overloaded | FUEL PUMP DIAGNOSTICS |
| B2121 | 58 | Starter output open | STARTER OUTPUT DTCS |
| B2122 | 59 | Starter output shorted high | STARTER OUTPUT DTCS |
| B2123 | 60 | Starter output shorted low | STARTER OUTPUT DTCS |
| B2124 | 61 | Starter output overloaded | STARTER OUTPUT DTCS |
| B2127 | 243 | E4 output shorted high | HORN DIAGNOSTICS |
| B2128 | 244 | E4 output shorted low | HORN DIAGNOSTICS |
| B2129 | 245 | E4 output overloaded | HORN DIAGNOSTICS |
| B2131 | 233 | High beam open output | HEADLAMP DIAGNOSTICS |
| B2132 | 234 | High beam output shorted high | HEADLAMP DIAGNOSTICS |
| B2133 | 235 | High beam output shorted low | HEADLAMP DIAGNOSTICS |
| B2134 | 236 | High beam output overloaded | HEADLAMP DIAGNOSTICS |
| B2136 | 229 | Low beam open output | HEADLAMP DIAGNOSTICS |
| B2137 | 230 | Low beam output shorted high | HEADLAMP DIAGNOSTICS |
| B2138 | 231 | Low beam output shorted low | HEADLAMP DIAGNOSTICS |
| B2139 | 232 | Low beam output overloaded | HEADLAMP DIAGNOSTICS |
| B2141 | 207 | Left front turn signal output open | FRONT TURN SIGNAL DIAGNOSTICS |
| B2143 | 214 | Left front turn signal output shorted low | FRONT TURN SIGNAL DIAGNOST ICS |
| B2144 | 215 | Left front turn signal output overloaded | FRONT TURN SIGNAL DIAGNOST ICS |
| B2146 | 216 | Right front turn signal output open | FRONT TURN SIGNAL DIAGNOSTICS |
| B2148 | 217 | Right front turn signal output shorted low | FRONT TURN SIGNAL DIAGNOST ICS |
| B2149 | 218 | Right front turn signal output overloaded | FRONT TURN SIGNAL DIAGNOST ICS |
| 82151 | 219 | Left rear turn signal output open | REAR TURN SIGNAL DIAGNOSTICS |
| 82153 | 220 | Left rear turn signal output shorted low | REAR TURN SIGNAL DIAGNOST ICS |
| B2154 | 221 | Left rear turn signal output overloaded | REAR TURN SIGNAL DIAGNOSTICS |
| B2156 | 222 | Right rear turn signal output open | REAR TURN SIGNAL DIAGNOSTICS |
| B2158 | 223 | Right rear turn signal output shorted low | REAR TURN SIGNAL DIAGNOST ICS |
| B2159 | 224 | Right rear turn signal output overloader | REAR TURN SIGNAL DIAGNOST ICS |
| B2161 | 198 | Brake lamp output open | STOP LAMP DIAGNOSTICS |
| B2163 | 199 | Brake lamp output shorted low | STOP LAMP DIAGNOSTICS |
| B2164 | 200 | Brake lamp output overloaded | STOP LAMP DIAGNOSTICS |
| B2168 | 172 | Running lights output shorted low | RUNNING LAMP DIAGNOSTICS |
| B2169 | 173 | Running lights output over-loaded | RUNNING LAMP DIAGNOSTICS |
| B2172 | 237 | H2 output shorted high | ALARM DIAGNOSTICS |
| B2173 | 238 | H2 output shorted low | ALARM DIAGNOSTICS |
| 82176 | 239 | Security antenna output open | SECURITY ANTENNA DIAGNOSTICS |
| B2177 | 240 | Security antenna output shorted high | SECURITY ANTENNA DIAGNOSTICS |
| B2178 | 241 | Security antenna output shorted low | SECURITY ANTENNA DIAGNOSTICS |
| B2183 | 249 | G2 output shorted low | ADDITIONAL OUTPUT DIAGNOSTICS |
| B2188 | 254 | G3 output shorted low | ADDITIONAL OUTPUT DIAGNOSTICS |
| B2193 | 257 | H4 output shorted low | ADDITIONAL OUTPUT DIAGNOSTICS |
| B2198 | 259 | H3 output shorted low | ADDITIONAL OUTPUT DIAGNOSTICS |
| B2201 | 52 | IGN switch off w/VSS | IGN SWITCH DIAGNOSTICS |
| B2202 | 53 | Ignition switch accy with vehicle speed | IGN SWITCH DIAGNOSTICS |
| B2203 | 50 | Ignition switch input shorted low | IGN SWITCH DIAGNOSTICS |
| B2206 | 51 | Run/stop switch input open/shorted high | ENGINE STOP SWITCH DIAGNOSTICS |
| B2208 | 54 | Run/stop switch input shorted low | ENGINE STOP SWITCH DIAGNOSTICS |
| B2210 | 55 | Run/stop switch inputs open both | SWITCH DIAGNOSTICS |
| B2212 | 56 | Run/stop switch inputs both closed | SWITCH DIAGNOSTICS |
| 82218 | 131 | Neutral switch shorted low | NEUTRAL SWITCH DIAGNOSTICS |
| B2223 | 197 | Rear brake switch shorted low (light on) | STOP LAMP DIAGNOSTICS |
| B2226 | 247 | BAS input open | BCM not configured properly. |
| B2228 | 250 | BAS input shorted low | BCM not configured properly. |
| B2231 | 312 | Fork locked w/VSS | BCM not configured properly. This DTC should only apply to CVO models. |
| B2232 | 313 | Fork lock shorted high | BCM not configured properly. This DTC should only apply to CVO models. |
| B2233 | 314 | Fork lock shorted low | BCM not configured properly. This DTC should only apply to CVO models. |
| B2234 | 315 | Fork lock detected w/option disabled | BCM not configured properly. This DTC should only apply to CVO models. |
| B2235 | 316 | Fork lock configuration invalid | BCM not configured properly. This DTC should only apply to CVO models. |
| B2250 | 128 | Clutch switch stuck | SWITCH DIAGNOSTICS |
| B2251 | 242 | Horn switch stuck | SWITCH DIAGNOSTICS |
| B2252 | 437 | High beam switch stuck | SWITCH DIAGNOSTICS |
| B2253 | 228 | FTP switch stuck | SWITCH DIAGNOSTICS |
| B2254 | 203 | Left turn switch stuck | SWITCH DIAGNOSTICS |
| B2255 | 246 | Trip switch stuck | Trip Odometer Functions Inoperative, DTC 82255 |
| B2256 | 208 | LHCM police siren power switch stuck | BCM not configured properly. This DTC should only apply to Police models. |
| B2257 | 209 | LHCM police siren wail power switch stuck | BCM not configured properly. This DTC should only apply to Police models. |
| B2258 | 210 | LHCM police siren yelp switch stuck | BCM not configured properly. This DTC should only apply to Police models. |
| B2260 | 57 | Start switch stuck | SWITCH DIAGNOSTICS |
| B2261 | 204 | Right switch stuck turn | SWITCH DIAGNOSTICS |
| B2262 | 196 | Front switch stuck brake | SWITCH DIAGNOSTICS |
| B2263 | 202 | Hazard switch stuck | SWITCH DIAGNOSTICS |
| B2264 | 211 | RHCM police lights power switch stuck | BCM not configured properly. This DTC should only apply to Police models. |
| B2265 | 212 | RHCM police lights front switch stuck | BCM not configured properly. This DTC should only apply to Police models. |
| B2266 | 213 | RHCM police lights rear switch stuck | BCM not configured properly. This DTCshould only apply to Police models. |
| B2270 | 27 | BCM internal error | SWITCH DIAGNOSTICS |
| B2271 | 26 | BCM voltage low | BCM VOLTAGE DIAGNOSTICS |
| B2272 | 33 | BCM/IM voltage high | BCM VOLTAGE DIAGNOSTICS |
| B2274 | 49 | Constant battery line error | Odometer Self-Diagnostic Inoperative: DTC 00001, 00002, U0011, B2274 |
| C0562 | 38 | ABS voltage low | ABS VOLTAGE DIAGNOSTICS |
| C0563 | 40 | ABS voltage high | ABS VOLTAGE DIAGNOSTICS |
| C1014 | 183 | ABS ECU relay error | INTERNAL FAULT DIAGNOSTICS |
| C1021 | 191 | ABS front WSS always zero | WSS DIAGNOSTICS |
| C1023 | 192 | ABS rear WSS always zero | WSS DIAGNOSTICS |
| C1025 | 194 | ABS front wheel speed intermittent | WSS DIAGNOSTICS |
| C1027 | 195 | ABS rear wheel speed intermittent | WSS DIAGNOSTICS |
| C1029 | 193 | ABS wheel speed difference too high | WSS DIAGNOSTICS |
| C1032 | 189 | ABS front wheel speed circuit open shorted | WSS DIAGNOSTICS |
| C1034 | 190 | ABS rear wheel speed circuit open shorted | WSS DIAGNOSTICS |
| C1040 | 184 | ABS pump/motor error | INTERNAL FAULT DIAGNOSTICS |
| C1055 | 39 | ABS ECU internal error | INTERNAL FAULT DIAGNOSTICS |
| C1061 | 185 | ABS front apply solenoid circuit open/high resistance | INTERNAL FAULT DIAGNOSTICS |
| C1062 | 187 | ABS front release solenoid circuit open/high resistance | INTERNAL FAULT DIAGNOSTICS |
| C1065 | 186 | ABS rear apply solenoid circuit open/high resistance | INTERNAL FAULT DIAGNOSTICS |
| C1066 | 188 | ABS rear release solenoid circuit open/high resistance | INTERNAL FAULT DIAGNOSTICS |
| C1071 | 283 | Rear prime valve error | INTERNAL FAULT DIAGNOSTICS |
| C1072 | 284 | Rear isolation valve error | INTERNAL FAULT DIAGNOSTICS |
| C1073 | 285 | Front isolation valve error | INTERNAL FAULT DIAGNOSTICS |
| C1074 | 286 | Front prime valve error | INTERNAL FAULT DIAGNOSTICS |
| C1075 | 287 | Front linked inlet valve error | INTERNAL FAULT DIAGNOSTICS |
| C1076 | 288 | Front linked outlet valve error | INTERNAL FAULT DIAGNOSTICS |
| C1077 | 289 | Front circuit pressure sensor error | INTERNAL FAULT DIAGNOSTICS |
| C1078 | 290 | Rear circuit pressure sensor error | INTERNAL FAULT DIAGNOSTICS |
| C1081 | 291 | Front master pressure sensor error | INTERNAL FAULT DIAGNOSTICS |
| C1082 | 292 | Front master pressure sensor offset error | INTERNAL FAULT DIAGNOSTICS |
| C1083 | 293 | Front wheel pressure sensor error | INTERNAL FAULT DIAGNOSTICS |
| C1084 | 294 | Front wheel pressure sensor offset error | INTERNAL FAULT DIAGNOSTICS |
| C1085 | 295 | Rear master pressure sensor error | INTERNAL FAULT DIAGNOSTICS |
| C1086 | 296 | Rear master pressure sensor offset error | INTERNAL FAULT DIAGNOSTICS |
| C1087 | 297 | Rear wheel pressure sensor error | INTERNAL FAULT DIAGNOSTICS |
| C1088 | 298 | Rear wheel pressure sensor offset error | INTERNAL FAULT DIAGNOSTICS |
| C1089 | 299 | Pressure sensor external supply error | INTERNAL FAULT DIAGNOSTICS |
| C1159 | 43 | ABS invalid stored | VIN INVALID VIN DIAGNOSTICS |
| C1178 | 41 | ABS no VIN received from | ECM INVALID VIN DIAGNOSTICS |
| C1184 | 42 | ABS invalid VIN from | ECM INVALID VIN DIAGNOSTICS |
| C1195 | 266 | Wake up error | INTERNAL FAULT DIAGNOSTICS |
| P0031 | 153 | Front HO2S open low | HO2S DIAGNOSTICS |
| P0032 | 156 | Front HO2S shorted high | HO2S DIAGNOSTICS |
| P0051 | 154 | Rear HO2S open low | HO2S DIAGNOSTICS |
| P0052 | 155 | Rear HO2S shorted high | HO2S DIAGNOSTICS |
| P0072 | 112 | AAT sensor low | AAT SENSOR DIAGNOSTICS |
| P0073 | 113 | AAT sensor high open | MT SENSOR DIAGNOSTICS |
| P0107 | 100 | MAP sensor failed low open | TMAP SENSOR DIAGNOSTICS |
| P0108 | 101 | MAP sensor failed high/open port | TMAP SENSOR DIAGNOSTICS |
| P0112 | 123 | IAT sensor shorted low | TMAP SENSOR DIAGNOSTICS |
| P0113 | 125 | IAT sensor high open | TMAP SENSOR DIAGNOSTICS |
| P0117 | 102 | ET sensor shorted low | ET SENSOR DIAGNOSTICS |
| P0118 | 107 | ET sensor high open | ET SENSOR DIAGNOSTICS |
| P0120 | 76 | TPS 1 range error | TCA DIAGNOSTICS |
| P0122 | 74 | TPS 1 low | TCA DIAGNOSTICS |
| P0123 | 75 | TPS 1 high open | TCA DIAGNOSTICS |
| P0131 | 157 | 02 sensor low/engine lean (front) | HO2S DIAGNOSTICS |
| P0132 | 159 | Engine running rich (front) | HO2S DIAGNOSTICS |
| P0134 | 161 | Oxygen sensor high/open (front) | HO2S DIAGNOSTICS |
| P0151 | 158 | 02 sensor low/engine lean (rear) | HO2S DIAGNOSTICS |
| P0152 | 160 | Engine running rich (rear) | HO2S DIAGNOSTICS |
| P0154 | 162 | 02 sensor high/open (rear) | HO2S DIAGNOSTICS |
| P0220 | 79 | TPS 2 range error | TCA DIAGNOSTICS |
| P0222 | 77 | TPS 2 open low | TCA DIAGNOSTICS |
| P0223 | 78 | TPS 2 high | TCA DIAGNOSTICS |
| P0261 | 96 | Fuel injector low/open (front) | FUEL INJECTOR DIAGNOSTICS |
| P0262 | 97 | Fuel injector shorted high (front) | FUEL INJECTOR DIAGNOSTICS |
| P0264 | 98 | Fuel injector low/open (rear) | FUEL INJECTOR DIAGNOSTICS |
| P0265 | 99 | Fuel injector shorted high (rear) | FUEL INJECTOR DIAGNOSTICS |
| P0325 | 139 | Knock sensor front open circuit | KNOCK SENSOR DIAGNOSTICS |
| P0327 | 140 | Knock sensor front circuit low | KNOCK SENSOR DIAGNOSTICS |
| P0328 | 141 | Knock sensor front circuit high | KNOCK SENSOR DIAGNOSTICS |
| P0330 | 142 | Knock sensor rear open circuit | KNOCK SENSOR DIAGNOSTICS |
| P0332 | 143 | Knock sensor rear circuit low | KNOCK SENSOR DIAGNOSTICS |
| P0333 | 144 | Knock sensor rear circuit high | KNOCK SENSOR DIAGNOSTICS |
| P0371 | 65 | CKP sensor wrong number of pulses | CKP SENSOR DIAGNOSTICS |
| P0374 | 64 | CKP sensor no pulses | CKP SENSOR DIAGNOSTICS |
| P0444 | 147 | Purge solenoid low open | PURGE SOLENOID DIAGNOSTICS |
| P0445 | 148 | Purge solenoid shorted high | PURGE SOLENOID DIAGNOSTICS |
| P0462 | 174 | Fuel sender shorted low | FUEL GAUGE AND SENDER DIAGNOSTICS |
| P0463 | 175 | Fuel sender shorted high/open | FUEL GAUGE AND SENDER DIAGNOSTICS |
| P0502 | 137 | VSS failed low | PURGE SOLENOID DIAGNOSTICS |
| P0503 | 138 | VSS | failed high VSS DIAGNOSTICS |
| P0505 | 148 | Idle speed control - unstable | IDLE SPEED CONTROL DIAGNOSTICS |
| P0522 | 168 | Engine oil pressure sensor/switch shorted low | INDICATOR LAMPS |
| P0523 | 169 | Engine oil pressure sensor/switch shorted high open | INDICATOR LAMPS |
| P0562 | 127 | ECM voltage low BATTERY | AND SYSTEM VOLTAGE DIAGNOSTICS |
| P0572 | 202 | Brake switch low | BRAKE SWITCH DIAGNOSTICS |
| P0577 | 163 | Cruise control | input error Cruise Control |
| P0603 | 29 | ECM EEPROM memory error | ECM INTERNAL DIAGNOSTICS |
| P0605 | 28 | ECM FLASH memory error | ECM INTERNAL DIAGNOSTICS |
| P0641 | 62 | 5 Volt reference out of range | 5V REFERENCE DIAGNOSTICS |
| P0651 | 63 | 5 Volt reference 2 out of range | 5V REFERENCE DIAGNOSTICS |
| P0693 | 119 | Chassis fan control circuit shorted low | CHASSIS FAN DIAGNOSTICS |
| P0694 | 120 | Chassis fan control circuit shorted high | CHASSIS FAN DIAGNOSTICS |
| P1009 | 32 | VTD disabled fuel due to bad password | DTC P1009 |
| P1017 | 103 | ET indicates overheating | DTC P1017 |
| P1019 | 106 | ECT difference (high temp) | ECT SENSOR DIAGNOSTICS |
| P1270 | 67 | TGS 2 ND validation error | DTC P1270 |
| P1501 | 166 | JSS low | JSS DIAGNOSTICS |
| P1502 | 167 | JSS high open | JSS DIAGNOSTICS |
| P1505 | 445 | Power limit violation | HESITATION OR LOSS OF POWER |
| P1510 | 447 | ETC limited performance mode | ETC MANAGEMENT DIAGNOSTICS |
| P1511 | 448 | ETC power management mode | ETC MANAGEMENT DIAGNOSTICS |
| P1512 | 449 | ETC forced idle mode | ETC MANAGEMENT DIAGNOSTICS |
| P1514 | 87 | ETC airflow error | ETC ERROR DIAGNOSTICS |
| P1600 | 66 | ETC watchdog error | ETC ERROR DIAGNOSTICS |
| P1655 | 164 | ACR solenoid open low | ACR Diagnostics |
| P1656 | 165 | ACR solenoid shorted high | ACR Diagnostics |
| P1691 | 115 | Cooling fan left low open | COOLING FAN DIAGNOSTICS |
| P1692 | 116 | Cooling fan left shorted high | COOLING FAN DIAGNOSTICS |
| P1693 | 117 | Cooling fan right low open | COOLING FAN DIAGNOSTICS |
| P1694 | 118 | Cooling fan right shorted high | COOLING FAN DIAGNOSTICS |
| P2100 | 82 | ETC driver open circuit | ETC ACTUATOR DIAGNOSTICS |
| P2101 | 83 | ETC actuation error | ETC ACTUATOR DIAGNOSTICS |
| P2102 | 84 | ETC driver shorted low | ETC ACTUATOR DIAGNOSTICS |
| P2103 | 85 | ETC driver shorted high | ETC ACTUATOR DIAGNOSTICS |
| P2105 | 446 | ETC forced shutdown mode | DTC P2105, P2107 |
| P2107 | 68 | ETC driver internal error | DTC P2105, P2107 |
| P2119 | 81 | ETC actuator return error | DTC P2119 |
| P2122 | 69 | TGS 1 low/open | TGS DIAGNOSTICS |
| P2123 | 70 | TGS 1 high | TGS DIAGNOSTICS |
| P2127 | 71 | TGS 2 low/open | TGS DIAGNOSTICS |
| P2128 | 72 | TGS 2 high | TGS DIAGNOSTICS |
| P2135 | 80 | TPS correlation error | CORRELATION ERROR DIAGNOSTICS |
| P2138 | 73 | TGS correlation error | CORRELATION ERROR DIAGNOSTICS |
| P2176 | 86 | ETC zero position learning error | DTC P2176 |
| P2184 | 121 | ECT sensor low | ECT SENSOR DIAGNOSTICS |
| P2185 | 122 | ECT sensor high | ECT SENSOR DIAGNOSTICS |
| P2300 | 88 | Ignition coil driver low/open (front) | IGN COIL DRIVER DIAGNOSTICS |
| P2301 | 89 | Ignition coil driver shorted high (front) | IGN COIL DRIVER DIAGNOSTICS |
| P2303 | 90 | Ignition coil driver low/open (rear) | IGN COIL DRIVER DIAGNOSTICS |
| P2304 | 91 | Ignition coil driver shorted high (rear) | IGN COIL DRIVER DIAGNOSTICS |
| P2602 | 104 | Coolant pump "A" control circuit low | COOLING PUMP DIAGNOSTICS |
| P2603 | 105 | Coolant pump "A" control circuit high | COOLING PUMP DIAGNOSTICS |
| U0001 | 1 | CAN BUS error | Odometer Self-Diagnostic Inoperative: DTC 00001, 00002, U0011, B2274 |
| U0002 | 16 | CAN comm bus perf error | Odometer Self Diagnostic Inoperative: DTC 00001, 00002, U0011, 82274 |
| U0003 | 13 | Network management monitoring | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0011 | 2 | CAN bus low shorted to CAN bus high | Odometer Self-Diagnostic Inoperative: DTC 00001, 00002, 00011, B2274 |
| U0100 | 7 | Lost comm w/ECM | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0121 | 11 | Lost comm w/ABS | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0140 | 3 | Lost comm w/BCM | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0141 | 9 | Lost comm w/LHCM | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0142 | 8 | Lost comm w/RHCM | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0156 | 10 | Lost comm w/speedo | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0158 | 180 | Lost comm w/fuel gauge | SECONDARY COMMUNICATION DIAGNOSTICS |
| U0159 | 181 | Lost comm w/volt gauge | SECONDARY COMMUNICATION DIAGNOSTICS |
| U0160 | 179 | Lost comm w/fuel and volt gauges | SECONDARY COMMUNICATION DIAGNOSTICS |
| U0184 | 323 | Lost comm w/radio | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U0185 | 325 | Lost comm w/AMP | 1 AMP COMMUNICATION DIAGNOSTICS |
| U0186 | 326 | Lost comm w/AMP | 2 AMP COMMUNICATION DIAGNOSTICS |
| U0187 | 20 | Lost comm w/AMP | 3 AMP COMMUNICATION DIAGNOSTICS |
| U0188 | 21 | Lost comm w/AMP | 4 AMP COMMUNICATION DIAGNOSTICS |
| U0300 | 15 | Internal control module software incompatibility | NO VEHICLE POWER OR LOST COMMUNICATION DTCS |
| U1302 | 324 | ACC bus pert error | SECONDARY COMMUNICATION DIAGNOSTICS |
| U1401 | 331 | Lost comm w CB | SECONDARY COMMUNICATION DIAGNOSTICS |
| U1401 | 331 | Lost comm w CB | COMMUNICATION DIAGNOSTICS |
| U1405 | 450 | ACC bus lost comm w/ WIM | Code used to support P&A parts |
