Intake Manifold Tuning Valve Control Circuit Driver Current/Temperature Too High Bank 1
The output driver for the intake manifold tuning valve actuator on bank 1 reports current or junction temperature above its protection threshold.
Affected components
- Intake manifold tuning valve b1
- Ecm
Common causes
- High likelihood: Tuning valve actuator jammed
- Medium likelihood: Control wire shorted to ground
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.