OBD Guide

P2B2C

Engine Coolant Temperature Sensor 5 Circuit Range/Performance

P2B2C is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor 5 Circuit Range/Performance. Common causes: malfunction of coolant temperature sensor no. 5, open or short circuit in the sensor circuit. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–28 (est.)

Symptoms

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

Causes

  • Malfunction of coolant temperature sensor No. 5
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor contact corrosion
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect the sensor connector and contacts for corrosion
  3. Check sensor resistance at different temperatures
  4. Replace coolant temperature sensor No. 5 if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P2B2C by Vehicle Brand

FAQ

What does the P2B2C code mean?

P2B2C is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor 5 Circuit Range/Performance

What causes a P2B2C error code?

The most common causes of P2B2C include: Malfunction of coolant temperature sensor No. 5; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor contact corrosion.

How do I fix a P2B2C diagnostic trouble code?

To fix P2B2C: Check the integrity of the sensor circuit. Inspect the sensor connector and contacts for corrosion. Check sensor resistance at different temperatures. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B2C?

Yes, but get it checked soon

How much does it cost to fix P2B2C?

The estimated repair cost for P2B2C is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat