P201C: Intake Manifold Runner Control Actuator Supply Voltage Low (Bank 2)
Standardized SAE J2012 code · P20xx — Fuel & air metering and auxiliary emission controls
What does P201C mean?
The supply voltage feeding the IMRC actuator on bank 2 is below the lower limit — typically a fuse, relay, or harness fault on the supply rail.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Supply fuse blown
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P201C on the same make and model first.
P201C in the community
Ask about P201CNo one has posted about P201C yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your P201C problem