P2D06

Motor Electronics Coolant Pump B Overspeed/Air in System

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable engine operation
Increased fuel consumption
Reduced engine power
Hot air from the heating system

Causes

Cooling pump malfunction
Air lock in the cooling system
Pump wiring problems
Engine control unit malfunction
Low coolant level

How to Fix

Check coolant level
Remove air from the cooling system
Check the operation of the cooling pump
Diagnose pump wiring
Check the engine control unit

Related codes

P2D05 P2D07 P2D08