OBD Guide

P2AD3

Throttle/Pedal Position Sensor/Switch A/G Voltage Correlation

P2AD3 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch A/G Voltage Correlation. Common causes: throttle position sensor (tps) malfunction, accelerator pedal position (app) sensor malfunction. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine idling
  • Sudden changes in engine speed
  • Loss of power during acceleration
  • Check Engine light comes on
  • The car goes into emergency mode

Causes

  • Throttle Position Sensor (TPS) malfunction
  • Accelerator pedal position (APP) sensor malfunction
  • Damage or oxidation of contacts in connectors
  • Wiring or grounding problems
  • Mechanical problems of the throttle assembly

How to Fix

  1. Check the readings of the TPS and APP sensors using a scanner
  2. Inspect connectors and wiring for damage
  3. Clean the throttle valve and check its mechanical operation
  4. Replace faulty sensor (TPS or APP)
  5. Check and replace wiring harness if necessary

Related codes

Error P2AD3 by Vehicle Brand

FAQ

What does the P2AD3 code mean?

P2AD3 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch A/G Voltage Correlation

What causes a P2AD3 error code?

The most common causes of P2AD3 include: Throttle Position Sensor (TPS) malfunction; Accelerator pedal position (APP) sensor malfunction; Damage or oxidation of contacts in connectors; Wiring or grounding problems.

How do I fix a P2AD3 diagnostic trouble code?

To fix P2AD3: Check the readings of the TPS and APP sensors using a scanner. Inspect connectors and wiring for damage. Clean the throttle valve and check its mechanical operation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AD3?

Limited driving only, diagnose soon

How much does it cost to fix P2AD3?

The estimated repair cost for P2AD3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat