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.
2012 Jeep Grand Cherokee Laredo, AWDFACTORY OEM SERVICE PROCEDURE
Module, Park Assist (PAM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B128E-11 | PTS SENSOR 1 - CIRCUIT SHORT TO GROUND |
| B128E-12 | PTS SENSOR 1 - CIRCUIT SHORT TO BATTERY |
| B128E-25 | PTS SENSOR 1 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B128E-92 | PTS SENSOR 1 - PERFORMANCE OR INCORRECT OPERATION |
| B128F-11 | PTS SENSOR 2 - CIRCUIT SHORT TO GROUND |
| B128F-12 | PTS SENSOR 2 - CIRCUIT SHORT TO BATTERY |
| B128F-25 | PTS SENSOR 2 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B128F-92 | PTS SENSOR 2 - PERFORMANCE OR INCORRECT OPERATION |
| B1290-11 | PTS SENSOR 3 - CIRCUIT SHORT TO GROUND |
| B1290-12 | PTS SENSOR 3 - CIRCUIT SHORT TO BATTERY |
| B1290-25 | PTS SENSOR 3 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1290-92 | PTS SENSOR 3 - PERFORMANCE OR INCORRECT OPERATION |
| B1291-11 | PTS SENSOR 4 - CIRCUIT SHORT TO GROUND |
| B1291-12 | PTS SENSOR 4 - CIRCUIT SHORT TO BATTERY |
| B1291-25 | PTS SENSOR 4 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1291-92 | PTS SENSOR 4 - PERFORMANCE OR INCORRECT OPERATION |
| B1292-11 | PTS SENSOR 5 - CIRCUIT SHORT TO GROUND |
| B1292-12 | PTS SENSOR 5 - CIRCUIT SHORT TO BATTERY |
| B1292-25 | PTS SENSOR 5 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1295-92 | PTS SENSOR 5 - PERFORMANCE OR INCORRECT OPERATION |
| B1293-11 | PTS SENSOR 6 - CIRCUIT SHORT TO GROUND |
| B1293-12 | PTS SENSOR 6 - CIRCUIT SHORT TO BATTERY |
| B1293-25 | PTS SENSOR 6 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1293-92 | PTS SENSOR 6 - PERFORMANCE OR INCORRECT OPERATION |
| B1295-11 | PTS SENSOR 8 - CIRCUIT SHORT TO GROUND |
| B1295-12 | PTS SENSOR 8 - CIRCUIT SHORT TO BATTERY |
| B1295-25 | PTS SENSOR 8 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1295-92 | PTS SENSOR 8 - PERFORMANCE OR INCORRECT OPERATION |
| B1296-11 | PTS SENSOR 9 - CIRCUIT SHORT TO GROUND |
| B1296-12 | PTS SENSOR 9 - CIRCUIT SHORT TO BATTERY |
| B1296-25 | PTS SENSOR 9 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1296-92 | PTS SENSOR 9 - PERFORMANCE OR INCORRECT OPERATION |
| B1297-11 | PTS SENSOR 10 - CIRCUIT SHORT TO GROUND |
| B1297-12 | PTS SENSOR 10 - CIRCUIT SHORT TO BATTERY |
| B1297-25 | PTS SENSOR 10 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1297-92 | PTS SENSOR 10 - PERFORMANCE OR INCORRECT OPERATION |
| B1298-11 | PTS SENSOR 11 - CIRCUIT SHORT TO GROUND |
| B1298-12 | PTS SENSOR 11 - CIRCUIT SHORT TO BATTERY |
| B1298-25 | PTS SENSOR 11 - SIGNAL SHAPE / WAVEFORM FAILURE |
| B1298-92 | PTS SENSOR 11 - PERFORMANCE OR INCORRECT OPERATION |
| B210C-16 | BATTERY VOLTAGE INPUT-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B210C-17 | BATTERY VOLTAGE INPUT-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2128-16 | SENSOR SUPPLY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2128-17 | SENSOR SUPPLY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B21DD-16 | SYSTEM VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B21DD-17 | SYSTEM VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B222A-00 | VEHICLE LINE MISMATCH |
| B2232-00 | (PTS) PARKTRONICS INTERNAL |
| U0010-00 | CAN INTERIOR BUS |
| U0141-00 | LOST COMMUNICATION WITH IPM (FCM/TIPM) |
| U0155-00 | LOST COMMUNICATION WITH CLUSTER/CCN |
| U0423-00 | IMPLAUSIBLE DATA RECEIVED FROM CLUSTER/CCN |
| U0431-00 | IMPLAUSIBLE DATA RECEIVED FROM IPM (FCM/TIPM) |
Factory Service Tools
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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.
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