OBD Guide

P2E63

Engine Coolant Bypass Valve E Control Circuit Low

P2E63 is an OBD-II diagnostic trouble code meaning: Engine Coolant Bypass Valve E Control Circuit Low. Common causes: coolant bypass valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect operation of the cooling system
  • Engine overheating
  • Unstable engine temperature
  • Check Engine Light Illuminates
  • Reduced engine efficiency

Causes

  • Coolant bypass valve malfunction
  • Open or short circuit in control circuit
  • Poor contact in control circuit connectors
  • Engine control unit (ECU) malfunction
  • Corroded or damaged wires

How to Fix

  1. Check the condition of the coolant bypass valve
  2. Check the integrity of the control circuit and connectors
  3. Measure resistance and voltage in the circuit
  4. If necessary, replace the valve or repair the circuit
  5. Check and update ECU software if necessary

Related codes

Error P2E63 by Vehicle Brand

FAQ

What does the P2E63 code mean?

P2E63 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Bypass Valve E Control Circuit Low

What causes a P2E63 error code?

The most common causes of P2E63 include: Coolant bypass valve malfunction; Open or short circuit in control circuit; Poor contact in control circuit connectors; Engine control unit (ECU) malfunction.

How do I fix a P2E63 diagnostic trouble code?

To fix P2E63: Check the condition of the coolant bypass valve. Check the integrity of the control circuit and connectors. Measure resistance and voltage in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E63?

Yes, but get it checked soon

How much does it cost to fix P2E63?

The estimated repair cost for P2E63 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat