What this code means

ECM shut down the engine due to a critical electronic throttle control fault.

Symptoms

• Engine stalls and won't restart
• Check engine light
• Multiple warning lights

Common causes

• Severe throttle control fault
• APP sensor failure
• Critical wiring damage
• ECM hardware failure

Diagnostic steps

1. Check for other DTCs
2. Inspect APP sensors
3. Check throttle body
4. Verify ECM power and grounds

Repair notes

Diagnose root cause immediately. This indicates a safety-critical throttle system failure.

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