P2D09
Motor Electronics Coolant Pump B Control Module Overtemperature
P2D09 is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Pump B Control Module Overtemperature. Common causes: low coolant level, radiator fan malfunction. Estimated repair cost: $17–89.
Symptoms
- Engine overheating
- Turning on the temperature warning light
- Reduced engine power
- Unstable operation of the cooling system
- Cooling pump noise
Causes
- Low coolant level
- Radiator fan malfunction
- Module wiring problems
- Cooling system clogged
- Main coolant pump failure
How to Fix
- Check the level and condition of the coolant
- Diagnose radiator fan operation
- Check connections and wiring of the control module
- Clean the cooling system if necessary
- Testing and replacement of pumps when faults are identified
Related codes
Error P2D09 by Vehicle Brand
FAQ
What does the P2D09 code mean?
P2D09 is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Pump B Control Module Overtemperature
What causes a P2D09 error code?
The most common causes of P2D09 include: Low coolant level; Radiator fan malfunction; Module wiring problems; Cooling system clogged.
How do I fix a P2D09 diagnostic trouble code?
To fix P2D09: Check the level and condition of the coolant. Diagnose radiator fan operation. Check connections and wiring of the control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2D09?
Do not drive — repair immediately
How much does it cost to fix P2D09?
The estimated repair cost for P2D09 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat