What this code means

ECM has forced the engine to idle speed only due to a detected throttle control fault.

Symptoms

• Engine stuck at idle
• Check engine light
• Vehicle barely moves
• Traction control light on

Common causes

• Throttle body failure
• APP sensor fault
• Wiring issue
• ECM detected conflicting throttle signals

Diagnostic steps

1. Scan for other DTCs
2. Check APP sensor signals
3. Inspect throttle body
4. Clear codes and test

Repair notes

Diagnose root cause from accompanying DTCs. This is a protective measure.

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