P03EC

A Camshaft Profile Actuator C Control Circuit/Open Bank 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation at idle
Reduced engine power
Increased fuel consumption
Check Engine light comes on

Causes

Open or short circuit in wiring harness
VVT solenoid malfunction
Problems with the engine control unit (ECU)
Mechanical damage to the VVT actuator

How to Fix

Check the wiring harness for breaks or damage
Check VVT solenoid resistance
Check power and ground at solenoid connector
Replace VVT solenoid if necessary
Check the operation of the VVT actuator

Related codes

P03ED P03EE P0010 P0011