P0013 - B Camshaft Position Actuator A Control Circuit/Open Bank 1
P0013 is a generic powertrain diagnostic trouble code indicating B Camshaft Position Actuator A Control Circuit/Open Bank 1. It relates to the Fuel & Air Metering and Auxiliary Emission Controls system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Fuel & Air Metering and Auxiliary Emission Controls |
| Fault Index | 13 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P0013 mean?
The engine computer logged P0013 after detecting a Variable Valve Timing (VVT) issue with the Bank 1 exhaust camshaft, indicating a circuit malfunction fault.
Severity Level & Driveability Details
Severity: High
Low engine oil can cause severe internal engine damage. Timing chain wear can cause timing to jump, bending valves on interference engines.
Common Symptoms of P0013
- Rattling engine noise from the front timing cover near Bank 1.
- Rough engine idle and stalling.
- Noticeable loss of engine power under load.
- Check engine light illuminated.
Typical Causes for P0013
- Low engine oil level or dirty engine oil affecting camshaft phaser control.
- Failed VVT control solenoid (oil control valve).
- Clogged oil control passages or filters in the phaser circuit.
- Stretched timing chain or worn timing chain tensioner.
Diagnostic and Troubleshooting Steps
Check oil level and cleanliness first. Use a scan tool to command the VVT solenoid; the engine should stumble at idle if the solenoid operates. Test solenoid resistance using a multimeter.
Typical Repairs and Fixes
- Performing an engine oil and filter change.
- Replacing the VVT oil control solenoid.
- Replacing the timing chain, tensioners, and guides.
- Replacing the cam phaser actuator.
Sensor Location & Parts Involved
The VVT solenoid is mounted on the cylinder head near the camshaft gear, while the cam phaser is on the end of the camshaft itself.
Clearing Code & Recurrence
Reset codes with a scan tool and perform a road test to verify VVT solenoid operation.
Emissions & Smog Inspection Impact
Incorrect valve timing leads to incomplete combustion and elevated tailpipe emissions.
Free Check Engine Code Cheat Sheet (PDF)
Got your answer? Keep the top 50 most common diagnostic codes, their meanings, severity levels, and quick fixes handy in your vehicle's glovebox.
Related Diagnostic Codes
Sources & References
This diagnostic guide is compiled and verified against the following authority sources:
- NHTSA TSB Bulletins
- EPA OBD regulations
Frequently Asked Questions about P0013
What does the Bank 1 exhaust camshaft actuator circuit code P0013 mean?
The engine computer logged P0013 after detecting a Variable Valve Timing (VVT) issue with the Bank 1 exhaust camshaft, indicating a circuit malfunction fault.
Is it safe to drive with the Bank 1 exhaust camshaft actuator circuit code P0013 active?
No, VVT timing faults can damage internal engine parts if left unresolved.
How much does it cost to repair a Bank 1 exhaust camshaft actuator circuit code P0013 fault?
An oil change is $50-$80. Solenoid replacement runs $150-$350. Replacing the timing chain is a major mechanical job costing $1,200-$2,500.
What are the common causes of the Bank 1 exhaust camshaft actuator circuit code P0013?
Trigger conditions for the Bank 1 exhaust camshaft actuator circuit code P0013 include: Low engine oil level or dirty engine oil affecting camshaft phaser control., Failed VVT control solenoid (oil control valve)., Clogged oil control passages or filters in the phaser circuit..
Can I clear the check engine light for Bank 1 exhaust camshaft actuator circuit code P0013?
Reset codes with a scan tool and perform a road test to verify VVT solenoid operation.
Will the Bank 1 exhaust camshaft actuator circuit code P0013 cause an inspection failure?
Incorrect valve timing leads to incomplete combustion and elevated tailpipe emissions.