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.
2020 Jeep Gladiator Altitude, Automatic TransFACTORY OEM SERVICE PROCEDURE
Module, Park Assist (PTS/PAM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1243-2A | REAR PARK ASSIST DISABLE SWITCH-STUCK |
| B1285-2A | PARK ASSIST - PTS SWITCH-STUCK |
| 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 |
| B1292-92 | 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 |
| B12B2-2A | PARALLEL-PERPENDICULAR PARK ASSIST SWITCH-STUCK |
| B210C-16 | BATTERY VOLTAGE INPUT - CIRCUIT VOLTAGE BELOW THRESHOLD |
| B210C-17 | BATTERY VOLTAGE INPUT - 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 |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0101-00 | LOST COMMUNICATION WITH TCM |
| U0102-00 | LOST COMMUNICATION WITH TRANSFER CASE CONTROL MODULE / AWD |
| U0121-00 | LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE |
| U0131-00 | LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE "A" |
| U0137-00 | LOST COMMUNICATION WITH TRAILER BRAKE CONTROL MODULE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0155-00 | LOST COMMUNICATION WITH CLUSTER-CCN |
| U0212-00 | LOST COMMUNICATION WITH STEERING COLUMN CONTROL MODULE |
| U0401-00 | IMPLAUSIBLE DATA RECEIVED FROM ECM-PCM A-OR IMPLAUSIBLE ENGINE SPEED SIGNAL RECEIVED |
| U0402-00 | IMPLAUSIBLE DATA RECEIVED FROM TCM |
| U0403-00 | IMPLAUSIBLE DATA RECEIVED FROM T-CASE |
| U0415-00 | IMPLAUSIBLE DATA RECEIVED FROM ABS |
| U0420-00 | INVALID DATA RECEIVED FROM POWER STEERING CONTROL MODULE "A" |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0423-00 | IMPLAUSIBLE DATA RECEIVED FROM CLUSTER-CCN |
| U0429-00 | IMPLAUSIBLE DATA RECEIVED FROM STEERING COLUMN CONTROL MODULE |
| U0438-00 | IMPLAUSIBLE DATA RECEIVED FROM TRAILER CONTROL MODULE |
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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