OBD Guide

P155E

Throttle Valve Actuator 2 Position Error

P155E is an OBD-II diagnostic trouble code meaning: Throttle Valve Actuator 2 Position Error. Common causes: throttle actuator malfunction, problems with wiring or connectors. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Unstable engine idling
  • Dips during acceleration
  • The car goes into emergency mode

Causes

  • Throttle actuator malfunction
  • Problems with wiring or connectors
  • Contamination or mechanical damage to the throttle valve
  • Throttle Position Sensor Malfunction
  • Problems with the engine control unit

How to Fix

  1. Check the condition of the throttle valve and clean if necessary
  2. Check the integrity of wiring and connectors
  3. Check the operation of the throttle position sensor
  4. Check the throttle valve actuator
  5. If necessary, replace faulty components

Related codes

FAQ

What does the P155E code mean?

P155E is an OBD-II diagnostic trouble code that indicates: Throttle Valve Actuator 2 Position Error

What causes a P155E error code?

The most common causes of P155E include: Throttle actuator malfunction; Problems with wiring or connectors; Contamination or mechanical damage to the throttle valve; Throttle Position Sensor Malfunction.

How do I fix a P155E diagnostic trouble code?

To fix P155E: Check the condition of the throttle valve and clean if necessary. Check the integrity of wiring and connectors. Check the operation of the throttle position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P155E?

Limited driving only, diagnose soon

How much does it cost to fix P155E?

The estimated repair cost for P155E is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat