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
HINO
Reported code forms P204F
13-010 CORRECTION OF WORKSHOP MANUALS. HINT: In case the DTC P204F has being recorded in the engine ECU, but no DTC has been detected in the DCU, it is safe to think that power supply to the DCU was interrupted before…
HINO
Reported code forms P204F
Some engines may erroneously record a P202E DTC in the DCU along with a P204F in the ECU. This fault condition is due to DCU software misdetection of DEF system pressure being delivered to the DEF injector.
HINO
Reported code forms P204F
12 - 002 Diagnosis Procedure for P202E (DCU) Associated with P204F (ECU) Some engines may erroneously record a P202E DTC in the DCU along with a P204F in the ECU. This fault condition is due to DCU software misdetection…
Check vehicle applicability
2A 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.