P00145
Carrier Transicold
Critical
Check Speed Sol Circ
Failure in the engine speed solenoid circuit (high/low).
Possible causes
- Defective speed solenoid
- Solenoid linkage loose or stuck
- Speed relay failure
Recommended actions
- Physically inspect the solenoid on the engine
- Lubricate the throttle mechanism
- Check 12V signal to the solenoid
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