OBD Guide

P25E4

B Camshaft Position - Unable to Achieve Locked Position Bank 1

P25E4 is an OBD-II diagnostic trouble code meaning: B Camshaft Position - Unable to Achieve Locked Position Bank 1. Common causes: low engine oil level or pressure, vvt solenoid dirty or stuck. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine light comes on
  • Possible misfires

Causes

  • Low engine oil level or pressure
  • VVT solenoid dirty or stuck
  • Worn or damaged VVT mechanism
  • Problems with wiring or camshaft position sensor
  • Engine control unit malfunction

How to Fix

  1. Check the level and condition of the engine oil
  2. Diagnose oil pressure in the system
  3. Check VVT solenoid operation
  4. Inspect the timing mechanism for wear and tear
  5. Check camshaft position sensor circuit

Related codes

Error P25E4 by Vehicle Brand

FAQ

What does the P25E4 code mean?

P25E4 is an OBD-II diagnostic trouble code that indicates: B Camshaft Position - Unable to Achieve Locked Position Bank 1

What causes a P25E4 error code?

The most common causes of P25E4 include: Low engine oil level or pressure; VVT solenoid dirty or stuck; Worn or damaged VVT mechanism; Problems with wiring or camshaft position sensor.

How do I fix a P25E4 diagnostic trouble code?

To fix P25E4: Check the level and condition of the engine oil. Diagnose oil pressure in the system. Check VVT solenoid operation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25E4?

Limited driving only, diagnose soon

How much does it cost to fix P25E4?

The estimated repair cost for P25E4 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat