P2686

Actuator Supply Voltage C Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Check engine light comes on
Reduced engine power
Problems starting the engine

Causes

Actuator C fault
Wiring harness damage
Short circuit in the circuit
Faulty relay or fuse
Problems with the engine control module (ECU)

How to Fix

Check the integrity of the wiring harness
Check voltage in actuator circuit C
Replace the faulty actuator
Check and replace relays or fuses if necessary
Diagnose and, if necessary, replace the engine control module

Related codes

P2685 P2687 P2688