B Camshaft Position Actuator Circuit Malfunction (Bank 1)
There's a problem with the camshaft actuator circuit for bank 1.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The engine computer is trying to control the position of the camshaft using an actuator, but it's not working properly, either due to wiring issues, a faulty actuator, or the control signal being off.
What the computer is actually seeing
The engine control module expects to see a specific voltage range from the camshaft actuator, typically between 0.5V to 12V, depending on the position it commands. If the voltage stays too low (below 0.5V) or indicates an open circuit, it'll trigger the P0013 code.
What a healthy reading looks like
The voltage from the camshaft position actuator should fluctuate based on engine RPM, but a healthy actuator typically operates around 4V to 6V under normal conditions.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 1Check the engine oil level and condition; replace if dirty or low.
- 2Inspect the wiring and connectors between the ECM and the camshaft actuator for damage or corrosion.
- 3Using a multimeter, test the voltage at the actuator connector with the engine running; it should be between 4V and 6V.
- 4If voltage is good, check the actuator resistance; it should be within manufacturer specs (typically around 5-15 ohms).
- 5If the actuator is faulty, replace it and clear the codes; if the problem persists, suspect the ECM.
Common causes
- Faulty camshaft actuator
- Damaged wiring or connectors in the actuator circuit
- Oil flow issues (e.g., dirty oil or low oil level)
- Faulty engine control module (ECM)
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It's not ideal to drive long distances without addressing it, as it can affect performance and emissions.
Will this code come back after I clear it?
If the underlying issue isn't fixed, yes, it will likely return.
Why does this code pair with P0010?
P0010 and P0013 both relate to camshaft actuator performance and may indicate similar circuit issues.
Working a real vehicle right now?
Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.
Start guided diagnostic →