HomeP20DE · Code meaning and manufacturer information
Powertrain

P20DE

Code meaning and manufacturer information

P20DE

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.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Manufacturer communications

10

Original wording in English

167-T2008-1

HINO

Reported code forms P20DE

20MY Conventional trucks equipped with a bubbler filter 23304-EV460 may set Diagnostic Trouble Codes (DTC's) P20DE and/or P0005 under some conditions. If a truck comes into your location exhibiting these DTC's and is…

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167-B1810-02

HINO

Reported code forms P20DE

SB-18-029 P20DE DIAGNOSTIC TROUBLE CODE 17MY-19MY Conventional Trucks equipped with a J08 engine or Cab Over Engine (COE) equipped with a J05 engine.

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SB-16-030

HINO

Reported code forms P20DE

Service Manual Update - 2015-17 COE Trucks Troubleshooting information and inspection rpcedure of the DTC P20DE were revised. Correction of Workshop Manual for HINO300 series revision of troubleshooting procedure for…

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167-B1631-12

HINO

Reported code forms P20DE

SB-16-030 CORRECTION OF WORKSHOP MANUAL FOR HINO300 SERIES Revision of Troubleshooting Procedure for the DTC P20DE

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SB-16-020

HINO

Reported code forms P20DE

Engine - COE Trucks (155, 155h, 195, or 195h) An enhanced fuel cut valve is available to address a potential sticking coindition that results in excess residual pressure in the dosing injector (7th injector) supply…

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Check vehicle applicability

25

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

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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.

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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.