OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2AB5?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyActuator sluggish at cold temperatures
- PossibleLinkage iced or stiff
- Less likelyCarbon or debris buildup preventing free movement
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Imrc Actuator B1, Intake Manifold Runners
Related codes
- P2AB6Cold Start Intake Manifold Runner Control Stuck Closed Bank 2
- P2AB2Catalyst Heater Control Module Supply Voltage
- P2AB3Cold Start Intake Manifold Runner Control Stuck Open Bank 1
- P2AB4Cold Start Intake Manifold Runner Control Stuck Open Bank 2
- P2AB7Wastegate Position Sensor A Circuit
- P2AB8Wastegate Position Sensor A Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.