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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