OBD Guide

P2B64

Coolant Pump B Control Module Overtemperature

P2B64 is an OBD-II diagnostic trouble code meaning: Coolant Pump B Control Module Overtemperature. Common causes: coolant pump control module malfunction, problems with electrical connections. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Engine overheating
  • Unstable operation of the cooling system
  • Check Engine light comes on
  • Reduced engine performance

Causes

  • Coolant pump control module malfunction
  • Problems with electrical connections
  • Insufficient module cooling
  • Coolant pump malfunction

How to Fix

  1. Check the electrical connections of the control module
  2. Check the operation of the coolant pump
  3. Replace the control module if necessary
  4. Check the cooling system for leaks

Related codes

Error P2B64 by Vehicle Brand

FAQ

What does the P2B64 code mean?

P2B64 is an OBD-II diagnostic trouble code that indicates: Coolant Pump B Control Module Overtemperature

What causes a P2B64 error code?

The most common causes of P2B64 include: Coolant pump control module malfunction; Problems with electrical connections; Insufficient module cooling; Coolant pump malfunction.

How do I fix a P2B64 diagnostic trouble code?

To fix P2B64: Check the electrical connections of the control module. Check the operation of the coolant pump. Replace the control module if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B64?

Do not drive โ€” repair immediately

How much does it cost to fix P2B64?

The estimated repair cost for P2B64 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat