Jeep DTC P1696 – PCM Failure EEPROM Write Denied
DTC P1696 meaning on Jeep
- DTC P1696 indicates a PCM (Powertrain Control Module) failure related to EEPROM write denied on a Jeep vehicle.
Jeep DTC P1696 symptoms
- Check Engine Light (CEL) illuminated on the dashboard.
- Vehicle may experience drivability issues such as rough idling, stalling, or poor acceleration.
Jeep DTC P1696 causes
- Corrupted or faulty PCM EEPROM data.
- Issues with the PCM itself, such as internal faults or failures.
Jeep DTC P1696 seriousness
- DTC P1696 should be addressed promptly as it can affect the performance and drivability of the vehicle.
- Continued driving with this fault unresolved may lead to further damage to the vehicle.
How to diagnose DTC P1696 on Jeep
- Use a diagnostic scanner to retrieve the specific fault code (P1696).
- Perform a thorough inspection of the PCM and related wiring for any visible damage or corrosion.
- Check for any loose connections or faulty grounds that may be affecting the PCM’s operation.
How to fix DTC P1696 on Jeep
- Attempt to reprogram the PCM with the correct software to resolve the EEPROM write denied issue.
- If reprogramming is unsuccessful, consider replacing the PCM with a new or remanufactured unit.
- Ensure proper installation and programming of the new PCM to prevent future issues.
How to erase DTC P1696 on Jeep
- After fixing the underlying cause of DTC P1696, use a diagnostic scanner to clear the fault code from the PCM’s memory.
- Perform a test drive to ensure the issue has been resolved and the Check Engine Light does not reappear.