OBD Guide

P2B2E

Engine Coolant Temperature Sensor 5 Circuit High

P2B2E is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor 5 Circuit High. Common causes: malfunction of coolant temperature sensor no. 5, 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 at idle
  • Increased fuel consumption
  • Incorrect temperature readings on the dashboard
  • Problems with engine warming up
  • Check Engine Light Illuminates

Causes

  • Malfunction of coolant temperature sensor No. 5
  • Short circuit in the sensor circuit
  • Broken or damaged wiring
  • Poor contact in the sensor connector
  • Engine ECU malfunction

How to Fix

  1. Check the resistance of coolant temperature sensor No. 5
  2. Inspect the sensor circuit for damage and short circuits
  3. Check sensor connectors and contacts
  4. Replace the coolant temperature sensor if necessary
  5. Check and, if necessary, replace damaged wires

Related codes

Error P2B2E by Vehicle Brand

FAQ

What does the P2B2E code mean?

P2B2E is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor 5 Circuit High

What causes a P2B2E error code?

The most common causes of P2B2E include: Malfunction of coolant temperature sensor No. 5; Short circuit in the sensor circuit; Broken or damaged wiring; Poor contact in the sensor connector.

How do I fix a P2B2E diagnostic trouble code?

To fix P2B2E: Check the resistance of coolant temperature sensor No. 5. Inspect the sensor circuit for damage and short circuits. Check sensor connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B2E?

Yes, but get it checked soon

How much does it cost to fix P2B2E?

The estimated repair cost for P2B2E is $6–28. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat