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 MANUALSJEEP2014CHEROKEE SPORT, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS B186E-64 TO U01B0-87DIAGNOSIS AND TESTINGB2880-11-FOG LAMP CONTROL - CIRCUIT SHORT TO GROUNDDIAGNOSTIC TEST
2014 Jeep Cherokee Sport, AWD
Diagnostic Test
2014 Jeep Cherokee Sport, AWDSECTION Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
No
- Test complete. The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK THE HEADLAMP SWITCH FOR AN INTERNAL SHORT TO GROUND
- Turn the ignition off.
- Disconnect the Headlamp Switch harness connector.
- Turn the ignition on.
- With the scan tool, read the DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 3
No
- Replace the Headlamp Switch in accordance with the Service Information. Refer to SWITCH, HEADLAMP, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CHECK THE (L116) FOG LAMP SWITCH SIGNAL CIRCUIT FOR A SHORT TO GROUND
- Disconnect the BCM C8 harness connector.
- Measure the resistance between ground and the (L116) Fog Lamp Switch Signal circuit.
Is the resistance below 10K Ohms?
Yes
- Repair the short to ground in the (L116) Fog Lamp Switch Signal circuit.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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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.