What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Manufacturer communications
3Original wording in English
VOLVO
Reported code forms P20DD13
CBR - Volvo Chassis - Models VNL, VNX Only Equipped With A USD16 Volvo Engine - AHI Harness Failure Related Fault Codes P249F00, P20DD13, P113413
VOLVO
Reported code forms P20DD13
Volvo Chassis - Models VNL, VNX Only Equipped With A USD16 Volvo Engine - AHI Harness Failure Related Fault Codes P249F00, P20DD13, P113413
MACK
Reported code forms P20DD13
Mack Chassis - Model TD Only Equipped With An MP10 Mack Engine - AHI Harness Failure Related Fault Codes P249F00, P20DD13, P113413
Check vehicle applicability
10A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.