OBD Guide

P2BDC

Motor Electronics Coolant Temperature Sensor C Circuit

P2BDC is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Temperature Sensor C Circuit. Common causes: open or short circuit in the sensor circuit, malfunction of coolant temperature sensor c. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power
  • Problems starting the engine in cold weather

Causes

  • Open or short circuit in the sensor circuit
  • Malfunction of coolant temperature sensor C
  • Poor contact in the sensor connector
  • Wiring harness damage
  • ECU malfunction

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check sensor resistance at different temperatures
  3. Clean sensor connector contacts
  4. Replace the coolant temperature sensor if necessary
  5. Check the operation of the computer

Related codes

Error P2BDC by Vehicle Brand

FAQ

What does the P2BDC code mean?

P2BDC is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Temperature Sensor C Circuit

What causes a P2BDC error code?

The most common causes of P2BDC include: Open or short circuit in the sensor circuit; Malfunction of coolant temperature sensor C; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2BDC diagnostic trouble code?

To fix P2BDC: Check the integrity of the wiring to the sensor. Check sensor resistance at different temperatures. Clean sensor connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2BDC?

Yes, but get it checked soon

How much does it cost to fix P2BDC?

The estimated repair cost for P2BDC is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat