TorqueMech OBD Code Guide
P0383 - Glow Plug Control Module to PCM Communication Circuit
The ECM detected a fault in communication between the glow plug control module and PCM.
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Code Overview
The ECM detected a fault in communication between the glow plug control module and PCM.
Common Causes
- Control module fault
- Damaged communication wiring
- Connector or power issue
Diagnostic Steps
- Inspect module connectors and power feeds
- Check communication wiring continuity
- Look for additional module communication codes
Related OBD Codes
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Next Steps
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