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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSJEEP2014COMPASS LIMITED, AWD, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKS(WIRELESS CONTROL MODULE (WCM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGB1A2A-KEY 1 COMMUNICATION ERRORDIAGNOSTIC TEST

2014 Jeep Compass Limited, AWD, Automatic CVT Trans

Diagnostic Test

2014 Jeep Compass Limited, AWD, Automatic CVT TransSECTION Diagnostic Test

DETERMINING IF DIAGNOSTIC TROUBLE CODE (DTC) IS CURRENT
1. With the scan tool, read and record the WCM DTCs.
2. With the scan tool, erase the WCM DTCs.
  NOTE:
  Perform the following test several times to ensure the DTC is current.
3. Turn the ignition off.
4. Wait 10 seconds.
5. Turn the ignition on.
6. With the scan tool, read the WCM DTCs.
  Does the scan tool display the DTC that was previously erased?
  
  Yes
  - Go To 2
  No
  - Go To 6
CHECKING FOR MULTIPLE KEYS
Are there multiple vehicle ignition keys available?

Yes
- Go To 3
No
- Go To 4
MULTIPLE KEY OPERATION
NOTE:
Perform the following steps using one of the vehicle ignition keys. When finished, repeat the procedure using each of the other vehicle keys, one at a time.
1. With the scan tool, erase the WCM DTCs.
2. Turn the ignition off.
3. Wait 10 seconds.
4. Turn the ignition on
5. With the scan tool, read the WCM DTCs.
  Is the DTC present for all ignition keys?
  
  Yes
  - Replace and program the Wireless Control Module in accordance with the Service Information.
  - Perform the WCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the ignition key(s) that cause the WCM DTC.
  - Perform the WCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
REPROGRAM KEY
1. With the scan tool, attempt to reprogram the ignition key to the WCM.
2. With the scan tool, erase the WCM DTCs.
3. Wait 10 seconds.
4. Turn the ignition on.
5. With the scan tool, read the WCM DTCs.
  Does the DTC set again?
  
  Yes
  - Go To 5
  No
  - Test complete.
PROGRAM NEW IGNITION KEY
1. Replace the ignition key with a new key.
2. With the scan tool, program the new ignition key to the WCM.
3. With the scan tool, erase the WCM DTCs.
4. Turn the ignition off.
5. Wait 10 seconds.
6. Turn the ignition on.
7. With the scan tool, read the WCM DTCs.
  Does the DTC set again?
  
  Yes
  - Replace and program the Wireless Control Module in accordance with the Service Information.
  - Perform the WCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test complete.
INTERMITTENT WIRING HARNESS PROBLEM
1. Turn the ignition off.
  NOTE:
  Check the following items:
  - Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or partially broken wires.
  - Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  - Refer to any Technical Service Bulletins (TSB) that may apply.
  Were any problems found?
  
  Yes
  - Repair wiring harness/connectors as necessary.
  - Perform the WCM VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Test Complete.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.