P1389 – Chrysler DTC

Chrysler DTC P1389 – No Auto Shutdown (ASD) Relay Output Voltage At PCM

DTC P1389 meaning on Chrysler

DTC P1389 on a Chrysler vehicle indicates that there is no Auto Shutdown (ASD) relay output voltage detected at the Powertrain Control Module (PCM).

Chrysler DTC P1389 symptoms

Symptoms of DTC P1389 may include:

• Engine not starting
• No fuel pump operation
• No spark

Chrysler DTC P1389 causes

Possible causes of DTC P1389 include:

• Defective ASD relay
• Wiring issues in the ASD relay circuit
• PCM failure

Chrysler DTC P1389 seriousness

DTC P1389 is a serious issue as it can prevent the engine from starting or running properly. It should be addressed promptly to avoid further complications.

How to diagnose DTC P1389 on Chrysler

To diagnose DTC P1389 on a Chrysler vehicle, you can:

1. Check the ASD relay for proper operation
2. Inspect the wiring and connectors in the ASD relay circuit for any damage or corrosion
3. Test the PCM for functionality

How to fix DTC P1389 on Chrysler

To fix DTC P1389 on a Chrysler vehicle, you may need to:

1. Replace the faulty ASD relay
2. Repair any damaged wiring or connectors in the ASD relay circuit
3. If the PCM is found to be faulty, it may need to be replaced or reprogrammed

How to erase DTC P1389 on Chrysler

To erase DTC P1389 on a Chrysler vehicle, you can:

1. Use a diagnostic scanner to clear the fault codes stored in the PCM
2. After fixing the underlying issue, clear the DTC and perform a test drive to ensure the problem is resolved

Recommended tools for Chrysler diagnostics

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