Wide Open Throttle A/C Cutoff Circuit Malfunction

What this code means

The WOT A/C cutoff circuit has a malfunction. This circuit is supposed to disable the A/C compressor at wide-open throttle to maximize available engine power.

Symptoms

• Check Engine Light
• A/C may not disengage at WOT
• Reduced WOT performance
• A/C compressor may not engage at all

Common causes

• Faulty WOT relay
• Wiring issue in A/C cutoff circuit
• PCM driver failure
• Faulty A/C clutch relay

Diagnostic steps

1. Test A/C cutoff relay
2. Check wiring to relay and A/C compressor clutch
3. Verify PCM commands A/C off at WOT
4. Test A/C system operation

Repair notes

Replace faulty relay. Repair wiring in A/C cutoff circuit.

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