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Engine-Codes – GMC – P1012 GMC

P1012 GMC Code - Exhaust Camshaft Position Actuator Park Position Bank 1

Quick Answer

The P1012 GMC code indicates a problem with the exhaust camshaft position actuator park position on bank 1 of the engine. Common causes include Faulty camshaft position actuator solenoid, Malfunctioning camshaft position sensor, Timing chain issues. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1012 GMC indicates Exhaust Camshaft Position Actuator Park Position Bank 1.
Common causes
Common causes include Faulty camshaft position actuator solenoid, Malfunctioning camshaft position sensor, Timing chain issues.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1012 GMC Description

The P1012 GMC code indicates a problem with the exhaust camshaft position actuator park position on bank 1 of the engine. The camshaft position actuator is responsible for controlling the timing of the camshaft in relation to the crankshaft, allowing for optimal engine performance. In this case, the code specifically relates to the exhaust camshaft, which plays a crucial role in the operation of the exhaust valves.

OBDII Code P1012 GMC - Exhaust Camshaft Position Actuator Park Position Bank 1
P1012 GMC Code - Exhaust Camshaft Position Actuator Park Position Bank 1

Common Causes of P1012 GMC

  1. Faulty camshaft position actuator solenoid
  2. Malfunctioning camshaft position sensor
  3. Timing chain issues
  4. Camshaft phaser problems
  5. Wiring or connector issues

Symptoms of P1012 GMC

  1. Rough idling or stalling
  2. Decreased engine performance
  3. Illuminated check engine light
  4. Engine knocking or ticking noises
  5. Poor fuel efficiency

How to Fix P1012 GMC

  1. Diagnose the specific cause of the issue using a scan tool to read the fault codes and perform a visual inspection of the camshaft position actuator system.
  2. Replace the faulty camshaft position actuator solenoid or sensor if necessary.
  3. Check and potentially replace the timing chain if it is found to be damaged or worn.
  4. Inspect and repair any wiring or connector issues related to the camshaft position actuator.
  5. Clear the fault codes and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P1012 GMC

The cost of repairing a P1012 GMC code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair cost for this issue can range from $200 to $500, including parts and labor. It's important to note that the diagnosis time and labor rates can vary, so it's recommended to get a detailed estimate from a trusted mechanic before proceeding with the repairs.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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