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Exterior Lighting DTCS

INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action
B1342 ECU is Defective ICM CLEAR and DOCUMENT the DTCs. CARRY OUT the ICM On- Demand Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER .
B1470 Lamp Headlamp Input Circuit Failure ICM Go To PINPOINT TEST F: THE HIGH BEAMS ARE INOPERATIVE .
B1875 Turn Signal/Hazard Switch Signal Circuit Failure ICM GO to PINPOINT TEST AG: THE TURN SIGNAL LAMPS ARE NEVER/ALWAYS ON - RH or PINPOINT TEST AH: THE TURN SIGNAL LAMPS ARE NEVER/ALWAYS ON - LH .
FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action
B1294 Battery Power Relay Circuit Short to Battery FEM Go To PINPOINT TEST J: THE AUTOLAMPS ARE INOPERATIVE .
B1499 Lamp Turn Signal Left Circuit Failure FEM Go To PINPOINT TEST V: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT FRONT TURN LAMP .
B1501 Lamp Turn Signal Left Circuit Short to Battery FEM Go To PINPOINT TEST V: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT FRONT TURN LAMP .
B1503 Lamp Turn Signal Right Circuit Failure FEM Go To PINPOINT TEST U: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT FRONT TURN LAMP .
B1505 Lamp Turn Signal Right Circuit Short to Battery FEM Go To PINPOINT TEST U: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT FRONT TURN LAMP .
B2480 LF Corner Lamp Output Circuit Short to Battery FEM Go To PINPOINT TEST AD: THE CORNERING LAMP IS NEVER/ALWAYS ON - LH .
B2482 RF Corner Lamp Output Circuit Short to Battery FEM Go To PINPOINT TEST AC: THE CORNERING LAMP IS NEVER/ALWAYS ON - RH .
B2491 RF Parking Lamp Output Circuit Short to Battery FEM Go To PINPOINT TEST AK: ONE OR MORE PARKING, REAR, OR LICENSE LAMP IS INOPERATIVE - RIGHT FRONT PARKING LAMP .
B2493 LF Parking Lamp Output Circuit Short to Battery FEM Go To PINPOINT TEST AL: ONE OR MORE PARKING, REAR OR LICENSE LAMP IS INOPERATIVE - LEFT FRONT PARKING LAMP .
B2501 LF Lamp Low Beam Circuit Failure FEM If inoperative, Go To PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
If on continuously, Go To PINPOINT TEST D: THE HEADLAMPS ARE ON CONTINUOUSLY - LH HIGH BEAM/LH LOW BEAM .
B2502 LF Lamp Low Beam Circuit Short to Battery FEM Go To PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
B2503 RF Lamp Low Beam Circuit Failure FEM Go To PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
B2504 RF Lamp Low Beam Circuit Short to Battery FEM Go To PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
B2505 LF Lamp High Beam Circuit Failure FEM Go To PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
B2506 LF Lamp High Beam Circuit Short to Battery FEM Go To PINPOINT TEST C: BOTH HEADLAMPS ARE INOPERATIVE - LH HIGH BEAM/LH LOW BEAM .
B2507 RF Lamp High Beam Circuit Failure FEM Go To PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
B2508 RF Lamp High Beam Circuit Short to Battery FEM Go To PINPOINT TEST A: BOTH HEADLAMPS ARE INOPERATIVE - RH HIGH BEAM/RH LOW BEAM .
REAR ELECTRONIC MODULE (REM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action
B1342 ECU is Defective REM INSTALL a new REM. REFER to MULTIFUNCTION ELECTRONIC MODULE . REFER to MODULE CONFIGURATION for module reconfiguration. CLEAR the DTCs. REPEAT the self-test.
B1485 Brake Pedal Input Circuit Battery Short REM Go To PINPOINT TEST O: THE STOPLAMPS ARE ON CONTINUOUSLY - ALL STOPLAMPS .
B1806 Lamp Tail Output Circuit Failure REM If ON continuously, Go To PINPOINT TEST AP: THE PARKING, REAR, OR LICENSE LAMPS ARE ON CONTINUOUSLY - LEFT REAR PARKING LAMP ONLY .
If inoperative, Go To PINPOINT TEST AN: ONE OR MORE PARKING, REAR, OR LICENSE LAMP IS INOPERATIVE - LEFT REAR LAMP .
B1808 Lamp Tail Output Circuit Short to Battery REM Go To PINPOINT TEST AN: ONE OR MORE PARKING, REAR, OR LICENSE LAMP IS INOPERATIVE - LEFT REAR LAMP .
B2519 High-Mount Stoplamp Circuit Failure REM If ON continuously, Go To PINPOINT TEST R: THE STOPLAMPS ARE ON CONTINUOUSLY - HIGH MOUNTED STOPLAMP ONLY .
If inoperative, Go To PINPOINT TEST N: ONE OR MORE STOPLAMPS ARE INOPERATIVE - HIGH MOUNTED STOPLAMP .
B2520 High-Mount Stoplamp Circuit Short to Battery REM Go To PINPOINT TEST N: ONE OR MORE STOPLAMPS ARE INOPERATIVE - HIGH MOUNTED STOPLAMP .
B2523 License Lamp Circuit Failure REM If ON continuously, Go To PINPOINT TEST AR: THE PARKING, REAR, OR LICENSE LAMPS ARE ON CONTINUOUSLY - LICENSE LAMPS ONLY .
If inoperative, Go To PINPOINT TEST AQ: THE PARKING, REAR, OR LICENSE LAMPS ARE INOPERATIVE - LICENSE LAMPS .
B2524 License Lamp Circuit Short to Battery REM Go To PINPOINT TEST AQ: THE PARKING, REAR, OR LICENSE LAMPS ARE INOPERATIVE - LICENSE LAMPS .
B2527 Left Rear Stoplamp Circuit Failure REM If ON continuously, Go To PINPOINT TEST Q: THE STOPLAMPS ARE ON CONTINUOUSLY - LEFT REAR STOPLAMP ONLY .
If inoperative, Go To PINPOINT TEST M: ONE OR MORE STOPLAMPS ARE INOPERATIVE - LEFT REAR STOPLAMP .
B2528 Left Rear Stoplamp Circuit Short to Battery REM Go To PINPOINT TEST M: ONE OR MORE STOPLAMPS ARE INOPERATIVE - LEFT REAR STOPLAMP .
B2529 Left Rear Turn Lamp Circuit Failure REM Go To PINPOINT TEST T: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT REAR TURN LAMP .
B2530 Left Rear Turn Lamp Circuit Short to Battery REM Go To PINPOINT TEST T: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - LEFT REAR TURN LAMP .
B2531 Right Rear Reversing Lamp Circuit Failure REM If ON continuously, Go To PINPOINT TEST AW: THE REVERSING LAMPS ARE ON CONTINUOUSLY .
If inoperative, Go To PINPOINT TEST AV: THE REVERSING LAMPS ARE INOPERATIVE .
B2532 Right Rear Reversing Lamp Circuit Short to Battery REM Go To PINPOINT TEST AV: THE REVERSING LAMPS ARE INOPERATIVE .
B2533 Right Rear Stoplamp Circuit Failure REM If ON continuously, Go To PINPOINT TEST P: THE STOPLAMPS ARE ON CONTINUOUSLY - RIGHT REAR STOPLAMP ONLY .
If inoperative, Go To PINPOINT TEST L: ONE OR MORE STOPLAMPS ARE INOPERATIVE - RIGHT REAR STOPLAMP .
B2534 Right Rear Stoplamp Circuit Short to Battery REM Go To PINPOINT TEST L: ONE OR MORE STOPLAMPS ARE INOPERATIVE - RIGHT REAR STOPLAMP .
B2535 Right Rear Turn Lamp Circuit Failure REM Go To PINPOINT TEST S: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT REAR TURN LAMP .
B2536 Right Rear Turn Lamp Circuit Short to Battery REM Go To PINPOINT TEST S: ONE TURN SIGNAL LAMP IS NEVER/ALWAYS ON - RIGHT REAR TURN LAMP .
B2545 System Power Relay Circuit Short to Battery REM Go To PINPOINT TEST G: THE POWER SUPPLY RELAY IS INOPERATIVE - BOTH SWITCHED SYSTEM POWER FEATURES ARE INOPERATIVE .
B2565 Right Tail Lamp Circuit Failure REM If ON continuously, Go To PINPOINT TEST AO: THE PARKING, REAR, OR LICENSE LAMPS ARE ON CONTINUOUSLY - RIGHT REAR PARKING LAMP ONLY .
If inoperative, Go To PINPOINT TEST AM: ONE OR MORE PARKING, REAR OR LICENSE LAMP IS INOPERATIVE - RIGHT REAR LAMP .
B2566 Right Tail Lamp Circuit Short to Ground REM Go To PINPOINT TEST AM: ONE OR MORE PARKING, REAR OR LICENSE LAMP IS INOPERATIVE - RIGHT REAR LAMP .