P201B

Intake Manifold Runner Control Actuator Supply Voltage Low Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–67 (est.)

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

P201A P201C P2008