OBD Guide

P01E6

Engine Coolant Temperature Sensor 3 Circuit High

P01E6 is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor 3 Circuit High. Common causes: open circuit in the sensor circuit, short circuit to ground. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Incorrect temperature readings on the instrument panel
  • Problems starting the engine in cold weather
  • Reduced cooling system efficiency
  • Increased fuel consumption

Causes

  • Open circuit in the sensor circuit
  • Short circuit to ground
  • Malfunction of the temperature sensor itself
  • Wiring Harness Problems
  • Bad contacts in connectors

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Measure sensor resistance at different temperatures
  3. Check the voltage in the sensor circuit
  4. If necessary, replace the coolant temperature sensor
  5. Reset the error and check if it returns

Related codes

Error P01E6 by Vehicle Brand

FAQ

What does the P01E6 code mean?

P01E6 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor 3 Circuit High

What causes a P01E6 error code?

The most common causes of P01E6 include: Open circuit in the sensor circuit; Short circuit to ground; Malfunction of the temperature sensor itself; Wiring Harness Problems.

How do I fix a P01E6 diagnostic trouble code?

To fix P01E6: Check the integrity of the wiring harness and connectors. Measure sensor resistance at different temperatures. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01E6?

Limited driving only, diagnose soon

How much does it cost to fix P01E6?

The estimated repair cost for P01E6 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat