P00155
Carrier Transicold
Critical

Check Coolant Temp Sensor

Engine coolant temperature sensor failure detected during Pretrip.

Possible causes

  • Defective sensor
  • Damaged or shorted wiring
  • Corroded or sulfated connector

Recommended actions

  • Verify sensor resistance with a multimeter
  • Inspect wiring harness to the controller
  • Replace sensor if out of range

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