Generic Electronic Module (GEM) Diagnostic Trouble Code (DTC) Index
GEM DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1218 | Horn Relay Coil Circuit Short to VBatt | GEM | REFER to HORN . |
| B1312 | Lamp Headlamp Input Circuit Short to Battery | GEM | REFER to EXTERIOR LIGHTING . |
| B1317 | Battery Voltage High | GEM | REFER to GENERATORS & REGULATORS . |
| B1318 | Battery Voltage Low | GEM | REFER to GENERATORS & REGULATORS . |
| B1322 | Driver Door Ajar Circuit Short to Ground | GEM | REFER to INTERIOR LIGHTING . |
| B1330 | Passenger Door Ajar Circuit Short to Ground | GEM | REFER to INTERIOR LIGHTING . |
| B1334 | Decklid Ajar Rear Door Circuit Short to Ground | GEM | REFER to INTERIOR LIGHTING . |
| B1339 | Chime Input Request Circuit Short to Battery | GEM | REFER to WARNING DEVICES . |
| B1340 | Chime Input Request Circuit Short to Ground | GEM | REFER to WARNING DEVICES . |
| B1342 | ECU is Defective | GEM | Clear the DTCs. Retrieve the DTCs. If DTC B1342 is retrieved, INSTALL a new GEM. REFER to MULTIFUNCTION ELECTRONIC MODULE . |
| B1353 | Ignition Key-In Circuit Open | GEM | REFER to WARNING DEVICES . |
| B1359 | Ignition Run/Acc Circuit Failure | GEM | REFER to STEERING COLUMN SWITCHES . |
| B1396 | Power Door Lock Circuit Short to Battery | GEM | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1397 | Power Door Unlock Circuit Short to Battery | GEM | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1405 | Driver Power Window Down Circuit Short to Battery | GEM | REFER to GLASS, FRAMES AND MECHANISMS . |
| B1408 | Driver Power Window Up Circuit Short to Battery | GEM | REFER to GLASS, FRAMES AND MECHANISMS . |
| B1426 | Lamp Safety Belt Circuit Short to Battery | GEM | Go To PINPOINT TEST K: THE SAFETY BELT INDICATOR IS INOPERATIVE (CHIME IS OPERATIVE)/DOES NOT OPERATE CORRECTLY . |
| B1428 | Lamp Safety Belt Circuit Failure | GEM | Go To PINPOINT TEST K: THE SAFETY BELT INDICATOR IS INOPERATIVE (CHIME IS OPERATIVE)/DOES NOT OPERATE CORRECTLY . |
| B1431 | Wiper Brake/Run Relay Circuit Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1432 | Wiper Brake/Run Relay Circuit Short to Battery | GEM | REFER to WIPERS AND WASHERS . |
| B1434 | Wiper Hi/Low Speed Relay Coil Circuit Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1436 | Wiper Hi/Low Speed Relay Coil Circuit Short to Battery | GEM | REFER to WIPERS AND WASHERS . |
| B1438 | Wiper Mode Select Switch Circuit Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1441 | Wiper Mode Select Switch Circuit Short to Ground | GEM | REFER to WIPERS AND WASHERS . |
| B1446 | Wiper Park Sense Circuit Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1448 | Wiper Park Sense Circuit Short to Battery | GEM | REFER to WIPERS AND WASHERS . |
| B1450 | Wiper Wash/Delay Switch Circuit Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1453 | Wiper Wash/Delay Switch Circuit Short to Ground | GEM | REFER to WIPERS AND WASHERS . |
| B1458 | Wiper Washer Pump Motor Relay Circuit Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1460 | Wiper Washer Pump Motor Relay Coil Circuit Short to Battery | GEM | REFER to WIPERS AND WASHERS . |
| B1462 | Safety Belt Switch Circuit Failure | GEM | REFER to WARNING DEVICES . |
| B1466 | Wiper Hi/Low Speed Not Switching | GEM | REFER to WIPERS AND WASHERS . |
| B1473 | Wiper Low Speed Circuit Motor Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1476 | Wiper High Speed Circuit Motor Failure | GEM | REFER to WIPERS AND WASHERS . |
| B1551 | Decklid Release Circuit Failure | GEM | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1553 | Decklid Release Circuit Short to Battery | GEM | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1555 | Ignition Run/Start Circuit Failure | GEM | REFER to STEERING COLUMN SWITCHES . |
| B1687 | Lamp Dome Input Circuit Short to Battery | GEM | REFER to INTERIOR LIGHTING . |
| B2486 | Parklamp Output Relay Driver Circuit Failure | GEM | REFER to EXTERIOR LIGHTING . |
| B2488 | Parklamp Output Relay Driver Short to Battery | GEM | REFER to EXTERIOR LIGHTING . |
| C1189 | Brake Fluid Level Sensor Input Short Circuit to Ground | GEM | Go To PINPOINT TEST O: THE BRAKE WARNING INDICATOR IS NEVER/ALWAYS ON . |
| C1223 | Lamp Brake Warning Output Circuit Failure | GEM | Go To PINPOINT TEST O: THE BRAKE WARNING INDICATOR IS NEVER/ALWAYS ON . |
| C1225 | Lamp Brake Warning Output Circuit Short to Battery | GEM | Go To PINPOINT TEST O: THE BRAKE WARNING INDICATOR IS NEVER/ALWAYS ON . |