Dodge DTC P1389 – No Auto Shutdown (ASD) Relay Output Voltage At PCM
DTC P1389 meaning on Dodge
DTC P1389 on a Dodge vehicle indicates that there is no Auto Shutdown (ASD) relay output voltage detected at the Powertrain Control Module (PCM).
Dodge DTC P1389 symptoms
Symptoms of DTC P1389 may include:
- Engine not starting
- No fuel pump operation
- No spark
Dodge DTC P1389 causes
Common causes of DTC P1389 include:
- Defective ASD relay
- ASD relay circuit issues
- PCM communication problems
Dodge DTC P1389 seriousness
The seriousness of DTC P1389 lies in the fact that it can prevent the engine from starting, leading to potential inconvenience and safety concerns if the vehicle fails to operate properly.
How to diagnose DTC P1389 on Dodge
To diagnose DTC P1389 on a Dodge vehicle, you can perform the following steps:
- Check the ASD relay for proper operation
- Inspect the ASD relay circuit for any faults
- Verify PCM communication and power supply
How to fix DTC P1389 on Dodge
To fix DTC P1389 on a Dodge vehicle, you may need to:
- Replace a faulty ASD relay
- Repair any issues in the ASD relay circuit
- Address any PCM communication problems
How to erase DTC P1389 on Dodge
To erase DTC P1389 on a Dodge vehicle, you can use a diagnostic scanner to clear the trouble code from the PCM’s memory after the underlying issue has been resolved.
Recommended tools for Dodge diagnostics
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