Throttle Actuator Control Range/Performance (Bank 2)

What this code means

The PCM detected the bank 2 throttle actuator is out of the expected operating range. This may cause reduced power and limp mode on engines with dual throttle bodies.

Symptoms

• Reduced engine power
• Check engine light on
• Poor throttle response

Common causes

• Faulty bank 2 throttle body/actuator
• Dirty throttle plate
• Damaged throttle control wiring
• Faulty PCM

Diagnostic steps

1. Scan throttle position data for bank 2
2. Inspect and clean throttle body
3. Test throttle actuator and wiring
4. Perform relearn or replace throttle body

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