OBD Guide

P23EC

Camshaft B Position Signal Output Circuit/Open Bank 1

P23EC is an OBD-II diagnostic trouble code meaning: Camshaft B Position Signal Output Circuit/Open Bank 1. Common causes: broken or damaged sensor wiring, oxidation of contacts in the sensor connector. Estimated repair cost: $17–89.

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

Symptoms

  • Check Engine light comes on
  • The engine is unstable
  • Power Loss
  • Increased fuel consumption
  • Difficulty starting the engine

Causes

  • Broken or damaged sensor wiring
  • Oxidation of contacts in the sensor connector
  • Camshaft position sensor malfunction
  • Problems with the engine control unit
  • Mechanical damage to the timing chain

How to Fix

  1. Check the integrity of the wiring from the sensor to the ECU
  2. Clean the contacts in the sensor connector
  3. Check the sensor resistance (compare with the standard)
  4. Replace camshaft position sensor if necessary
  5. Check the condition of the timing chain

Related codes

Error P23EC by Vehicle Brand

FAQ

What does the P23EC code mean?

P23EC is an OBD-II diagnostic trouble code that indicates: Camshaft B Position Signal Output Circuit/Open Bank 1

What causes a P23EC error code?

The most common causes of P23EC include: Broken or damaged sensor wiring; Oxidation of contacts in the sensor connector; Camshaft position sensor malfunction; Problems with the engine control unit.

How do I fix a P23EC diagnostic trouble code?

To fix P23EC: Check the integrity of the wiring from the sensor to the ECU. Clean the contacts in the sensor connector. Check the sensor resistance (compare with the standard). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P23EC?

Limited driving only, diagnose soon

How much does it cost to fix P23EC?

The estimated repair cost for P23EC is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat