OBD Guide

P2DB4

Drive Motor A Temperature Sensor C Circuit High

P2DB4 is an OBD-II diagnostic trouble code meaning: Drive Motor A Temperature Sensor C Circuit High. Common causes: engine temperature sensor a fault, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

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

Symptoms

  • Reduced engine power
  • Switching to emergency mode
  • Check Engine Light Illuminates
  • Unstable operation of the hybrid system
  • Incorrect engine temperature readings

Causes

  • Engine temperature sensor A fault
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine control unit
  • Corroded or damaged wiring

How to Fix

  1. Check the resistance of the temperature sensor
  2. Inspect the sensor circuit for damage
  3. Check the voltage in the sensor circuit
  4. Clean or replace connectors if necessary
  5. Replace the temperature sensor if a malfunction is detected

Related codes

Error P2DB4 by Vehicle Brand

FAQ

What does the P2DB4 code mean?

P2DB4 is an OBD-II diagnostic trouble code that indicates: Drive Motor A Temperature Sensor C Circuit High

What causes a P2DB4 error code?

The most common causes of P2DB4 include: Engine temperature sensor A fault; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the engine control unit.

How do I fix a P2DB4 diagnostic trouble code?

To fix P2DB4: Check the resistance of the temperature sensor. Inspect the sensor circuit for damage. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DB4?

Limited driving only, diagnose soon

How much does it cost to fix P2DB4?

The estimated repair cost for P2DB4 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat