What this code means

The electronic throttle motor is not responding as expected to ECM commands.

Symptoms

• Limp mode
• Reduced power
• Check engine light
• Erratic idle

Common causes

• Carbon-fouled throttle body
• Weak motor
• High resistance in wiring
• Binding throttle plate

Diagnostic steps

1. Clean throttle body
2. Check motor resistance
3. Monitor throttle position during actuation
4. Inspect for physical binding

Repair notes

Clean throttle body first. Replace if motor performance does not improve.

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