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 ALTITUDE LUXREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTC B2100-12 TO B2881-19
2023 Jeep Cherokee Altitude LUX
Body Control Module (BCM) - DTC B2100-12 To B2881-19
2023 Jeep Cherokee Altitude LUXSECTION Body Control Module (BCM) - DTC B2100-12 To B2881-19
- DTC Troubleshooting
- B2100-12-Ignition Run/Start Input-Circuit Short To Battery
- B2100-14-Ignition Run/Start Input - Circuit Short To Ground Or Open
- B2103-18-Ignition Run/Start 1 Control-Under Current
- B2103-19-Ignition Run/Start 1 Control - Over Current
- B2121-12-Ignition Run Control 1 - Circuit Short To Battery
- B2121-14-Ignition Run Control 1 - Circuit Short To Ground Or Open
- B212E-12-Ignition Run/Acc Control - Circuit Short To Battery
- B212E-14-Ignition Run/Acc Control - Circuit Short To Ground Or Open
- B2143-12-UGDO Enable Control - Circuit Short To Battery
- B2199-16-Battery Voltage - Circuit Voltage Below Threshold
- B2199-17-Battery Voltage - Circuit Voltage Above Threshold
- B2204-55-Ecu Configuration Mismatch - Not Configured
- B221D-29-(RSM) Rain Sensor Module Internal - Signal Invalid
- B223A-8F-Auto High Beam Ecu Internal - Erratic
- B225C-29-Compass Module Internal - Signal Invalid
- B2267-8F-Electro Chromatic Mirror Module Internal - Erratic
- B22A9-44-Ecu Internal Performance - Data Memory Failure
- B22A9-45-Ecu Internal Performance - Program Memory Failure
- B22A9-46-Ecu Internal Performance - Calibration / Parameter Memory Failure
- B22A9-47-Ecu Internal Performance - Watchdog / Safety Failure
- B2303-64-Wiper Park Switch Input - Signal Plausibility Failure
- B2303-71-Wiper Park Switch Input - Actuator Stuck
- B2309-2A-Rear Wiper Switch - Stuck
- B2309-64-Rear Wiper Switch-Signal Plausibility Failure
- B2316-12-Wiper High-Low Control-Circuit Short To Battery
- B2316-14-Wiper High-Low Control-Circuit Short To Ground Or Open
- B2322-12-Headlamp Washer Motor Control - Circuit Short To Battery
- B2322-14-Headlamp Washer Motor Control - Circuit Short To Ground Or Open
- B2345-18-Wiper Motor Low Speed Control - Under Current
- B2345-19-Wiper Motor Low Speed Control-OVERCURRENT
- B2349-18-Wiper Motor Hi Speed Control - Under Current
- B2349-19-Wiper Motor Hi Speed Control - OVERCURRENT
- B23B9-18-Rear Wiper Control - Under Current
- B23B9-19-Rear Wiper Control-OVERCURRENT
- B25B3-64-Passenger Door Lock/Unlock Relay Signal - Plausibility Failure
- B2880-11-Fog Lamp Control - Circuit Short To Ground
- B2880-15-Fog Lamp Control - Circuit Short To Battery Or Open
- B2881-18-Left Rear Park Lamp Control-Under Current
- B2881-19-Left Rear Park Lamp Control - OVERCURRENT
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.