P2380 — Wait to Start Lamp Control Circuit
The ECU detects an electrical fault on the wait-to-start indicator output of the diesel preheat system. The driver may not get a correct preheat indication.
General code reference. Confirm the definition and diagnostic procedure for your vehicle's year, model and engine. A stored code alone does not identify a failed part.
Affected components
- Wait to start lamp
- Instrument cluster
Possible causes to check
These are possible checks, not a ranked diagnosis. Follow the vehicle manufacturer's test procedure before replacing parts.
- Indicator bulb / LED failure
- Wiring fault to instrument cluster
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Check each reference's vehicle and model-year scope. General background links do not establish which fault is most likely on your vehicle.
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.