Ford DTC P1356 – Loss of Ignition Diagnostic Module Input to PCM
DTC P1356 meaning on Ford
DTC P1356 on a Ford indicates a “Loss of Ignition Diagnostic Module Input to PCM” error. This means that the Powertrain Control Module (PCM) is not receiving the necessary signals from the Ignition Diagnostic Module, which can affect the ignition system’s operation.
Ford DTC P1356 symptoms
- Engine misfires
- Reduced engine performance
- Difficulty starting the engine
- Illuminated Check Engine Light
Ford DTC P1356 causes
- Defective Ignition Diagnostic Module
- Wiring issues or poor connections between the Ignition Diagnostic Module and PCM
- Faulty PCM
Ford DTC P1356 seriousness
The seriousness of DTC P1356 on a Ford depends on the underlying cause. Ignoring this issue can lead to further engine problems, reduced fuel efficiency, and potential drivability issues. It is recommended to address this code promptly to prevent any long-term damage.
How to diagnose DTC P1356 on Ford
- Use a diagnostic scanner to retrieve the trouble codes and freeze frame data
- Inspect the wiring and connections between the Ignition Diagnostic Module and PCM for any damage or corrosion
- Test the Ignition Diagnostic Module and PCM for proper functionality
How to fix DTC P1356 on Ford
- Replace the Ignition Diagnostic Module if faulty
- Repair any damaged wiring or connectors
- If the PCM is determined to be the issue, it may need to be reprogrammed or replaced
How to erase DTC P1356 on Ford
- After addressing the underlying cause of the DTC, use a diagnostic scanner to clear the code
- Ensure that the repair has been successful by driving the vehicle and rescanning for any remaining codes
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