P201B
Intake Manifold Runner Control Actuator Supply Voltage Low Bank 1
P201B is an OBD-II diagnostic trouble code meaning: Intake Manifold Runner Control Actuator Supply Voltage Low Bank 1. Common causes: damper solenoid valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–67.
Symptoms
- Reduced engine power
- Rough idling
- Increased fuel consumption
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- Damper solenoid valve malfunction
- Open or short circuit in control circuit
- Poor contact in connectors
- Engine control unit malfunction
- Problems with the relay or circuit fuse
How to Fix
- Check control circuit fuse and relay
- Inspect the wiring harness for damage
- Check the resistance of the solenoid valve
- Scan the control unit for other errors
- If necessary, replace the solenoid valve or repair the wiring
Related codes
Error P201B by Vehicle Brand
FAQ
What does the P201B code mean?
P201B is an OBD-II diagnostic trouble code that indicates: Intake Manifold Runner Control Actuator Supply Voltage Low Bank 1
What causes a P201B error code?
The most common causes of P201B include: Damper solenoid valve malfunction; Open or short circuit in control circuit; Poor contact in connectors; Engine control unit malfunction.
How do I fix a P201B diagnostic trouble code?
To fix P201B: Check control circuit fuse and relay. Inspect the wiring harness for damage. Check the resistance of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P201B?
Yes, but get it checked soon
How much does it cost to fix P201B?
The estimated repair cost for P201B is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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