Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2023CHEROKEE TRAILHAWKREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTC B16EF-13 TO B1A90-51
2023 Jeep Cherokee Trailhawk
Body Control Module (BCM) - DTC B16EF-13 To B1A90-51
2023 Jeep Cherokee TrailhawkSECTION Body Control Module (BCM) - DTC B16EF-13 To B1A90-51
- DTC Troubleshooting
- B16EF-13-Left Park Lamp 1 Control-Circuit Open
- B16F3-11-Right Park Lamp 1 Control-Circuit Short To Ground
- B16F3-13-Right Park Lamp 1 Control-Circuit Open
- B16F7-18-Front Left Fog Lamp Control-Under Current
- B16F7-19-Front Left Fog Lamp Control-OVERCURRENT
- B16FB-18-Front Right Fog Lamp Control-Under Current
- B16FB-19-Front Right Fog Lamp Control-OVERCURRENT
- B1707-18-Left Reverse Lamp Control-Under Current
- B1707-19-Left Reverse Lamp Control-OVERCURRENT
- B170B-18-Right Reverse Lamp Control-Under Current
- B170B-19-Right Reverse Lamp Control-OVERCURRENT
- B1751-12-Courtesy Lamp Control - Circuit Short To Battery
- B177A-09-Left Front Lamp Diagnostic Line-Component Failures
- B177B-09-Right Front Lamp Diagnostic Line-Component Failures
- B178E-11-Headlamp Switch Input Circuit - Short To Ground
- B178E-15-Headlamp Switch Input-Circuit Short To Battery Or Open
- B178E-64-Headlamp Switch Input Signal - Plausibility Failure
- B1792-09-Left Rear Lamp Diagnostic Line-Component Failures
- B1793-09-Right Rear Lamp Diagnostic Line-Component Failures
- B179F-2A-Rear Fog Lamp Switch - Stuck
- B17C5-12-Trailer Tow Reverse Lamp Control - Circuit Short To Battery
- B17C5-14-Trailer Tow Reverse Lamp Control - Circuit Short To Ground Or Open
- B17F6-12-Trailer TAILLAMP Control - Circuit Short To Battery
- B17F6-14-Trailer TAILLAMP Control - Circuit Short To Ground Or Open
- B17FB-8F-Auto High Beam Camera View Block - Erratic
- B17FF-11-Ambient Cabin Light Dimmer Switch - Circuit Short To Ground
- B17FF-15-Ambient Cabin Light Dimmer Switch - Circuit Short To Battery Or Open
- B1800-2A-Driver Door Lock/Unlock Switch-Stuck
- B1805-2A-Passenger Door Lock/Unlock Switch-Stuck
- B181C-23-Trunk/Liftgate Input - Signal Stuck Low
- B181E-11-Hood Ajar Input - Circuit Short To Ground
- B181E-15-Hood Ajar Input - Circuit Short To Battery Or Open
- B182C-64-All Door Lock Control Signal - Plausibility Failure
- B186E-64-All Door Secondary Lock Control - Signal Plausibility Failure
- B187B-02-Hands Free Liftgate Kick Sensor B-General Signal Failure
- B1884-02-Hands Free Liftgate Kick Sensor A-General Signal Failure
- B1885-49-Hands Free Liftgate Module-Internal Electronic Failure
- B1989-64-All Door Secondary Unlock Control - Signal Plausibility Failure
- B1A90-51-Secret Key Not Stored In BCM - Not Programmed
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.