P2AB5
Cold Start Intake Manifold Runner Control Stuck Closed Bank 1
During cold start, the intake manifold runner control on bank 1 cannot reach the open position. Air supply may be restricted as the engine warms up.
During cold start, the intake manifold runner control on bank 1 cannot reach the open position. Air supply may be restricted as the engine warms up.
Common causes
- high
Actuator sluggish at cold temperatures
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1100
- medium
Linkage iced or stiff
A plausible cause — test and verify before replacing parts.
Typical part cost: $220-1100
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P2AB5 mean?
P2AB5 means "Cold Start Intake Manifold Runner Control Stuck Closed Bank 1". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P2AB5?
actuator sluggish at cold temperatures; linkage iced or stiff; carbon or debris buildup preventing free movement — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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