P00151
Carrier Transicold
Critical

Check Eng Preheat Enable Circuit

Failure in the engine preheat enable circuit.

Possible causes

  • Failed glow plug relay
  • Shorted glow plug
  • Damaged high-current wiring

Recommended actions

  • Check Glow Plug relay
  • Measure amperage draw of the glow plug circuit
  • Inspect engine power fuses

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