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 MANUALSJEEP2011GRAND CHEROKEE LAREDO X, 3.6 G, AWDREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXMODULE, PASSIVE ENTRY (PEM)
2011 Jeep Grand Cherokee Laredo X, 3.6 G, AWD
Module, Passive Entry (PEM)
2011 Jeep Grand Cherokee Laredo X, 3.6 G, AWDSECTION Module, Passive Entry (PEM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1A71-01 | PASSIVE ENTRY ANTENNA 1 - GENERAL ELECTRICAL FAILURE |
| B1A72-01 | PASSIVE ENTRY ANTENNA 2 - GENERAL ELECTRICAL FAILURE |
| B1A73-01 | PASSIVE ENTRY ANTENNA 3 - GENERAL ELECTRICAL FAILURE |
| B1A74-01 | PASSIVE ENTRY ANTENNA 4 - GENERAL ELECTRICAL FAILURE |
| B2199-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B21DD-84 | SYSTEM VOLTAGE - SIGNAL BELOW ALLOWABLE RANGE |
| B21DD-85 | SYSTEM VOLTAGE - SIGNAL ABOVE ALLOWABLE RANGE |
| B2205-00 | ORIGINAL VIN MISSING/MISMATCH |
| B223B-00 | VEHICLE CONFIGURATION MISMATCH |
| B229B-00 | PASSIVE ENTRY MODULE (PEM) INTERNAL |
| B259A-00 | FRONT LEFT DOOR HANDLE SENSE |
| B259B-00 | FRONT RIGHT DOOR HANDLE SENSE |
| B259E-00 | TRUNK/LIFTGATE DOOR HANDLE LOCK SENSE |
| B25A3-00 | FRONT LEFT DOOR HANDLE SENSOR |
| B25A4-00 | FRONT RIGHT DOOR HANDLE SENSOR |
| B25A7-00 | TRUNK/LIFTGATE HANDLE SENSOR |
| U0001-00 | CAN C BUS |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH PCM |
| U0141-00 | LOST COMMUNICATION WITH IPM (FCM/TIPM) |
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.