OBD Guide

P001A

A Camshaft Profile Actuator A Control Circuit/Open Bank 1

P001A is an OBD-II diagnostic trouble code meaning: A Camshaft Profile Actuator A Control Circuit/Open Bank 1. Common causes: open or short circuit in vvt solenoid wiring harness, vvt solenoid malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in VVT solenoid wiring harness
  • VVT solenoid malfunction
  • Low or poor quality engine oil
  • Mechanical damage to the VVT mechanism
  • Problems with the engine control unit

How to Fix

  1. Check the level and condition of the engine oil
  2. Visually inspect the VVT solenoid wiring harness and connectors
  3. Check VVT solenoid resistance
  4. Check the operation of the VVT mechanism
  5. If necessary, replace the solenoid or repair the wiring harness.

Related codes

Error P001A by Vehicle Brand

FAQ

What does the P001A code mean?

P001A is an OBD-II diagnostic trouble code that indicates: A Camshaft Profile Actuator A Control Circuit/Open Bank 1

What causes a P001A error code?

The most common causes of P001A include: Open or short circuit in VVT solenoid wiring harness; VVT solenoid malfunction; Low or poor quality engine oil; Mechanical damage to the VVT mechanism.

How do I fix a P001A diagnostic trouble code?

To fix P001A: Check the level and condition of the engine oil. Visually inspect the VVT solenoid wiring harness and connectors. Check VVT solenoid resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P001A?

Limited driving only, diagnose soon

How much does it cost to fix P001A?

The estimated repair cost for P001A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat