OBD Guide

P2D0B

Motor Electronics Coolant Pump C Overspeed/Air in System

P2D0B is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Pump C Overspeed/Air in System. Common causes: electric coolant pump malfunction, air lock in the cooling system. 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 engine operation
  • Overheat warning on dashboard
  • Reduced engine power
  • Coolant pump noise

Causes

  • Electric coolant pump malfunction
  • Air lock in the cooling system
  • Problems with the pump electrical circuit
  • Coolant temperature sensor malfunction
  • Engine control unit software error

How to Fix

  1. Check coolant level
  2. Remove air from the cooling system
  3. Check the electrical circuit of the pump
  4. Replace the electric coolant pump if necessary
  5. Update engine control unit software

Related codes

Error P2D0B by Vehicle Brand

FAQ

What does the P2D0B code mean?

P2D0B is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Pump C Overspeed/Air in System

What causes a P2D0B error code?

The most common causes of P2D0B include: Electric coolant pump malfunction; Air lock in the cooling system; Problems with the pump electrical circuit; Coolant temperature sensor malfunction.

How do I fix a P2D0B diagnostic trouble code?

To fix P2D0B: Check coolant level. Remove air from the cooling system. Check the electrical circuit of the pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D0B?

Do not drive โ€” repair immediately

How much does it cost to fix P2D0B?

The estimated repair cost for P2D0B is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat