P22FB · メーカー技術情報

CHEVROLET, GMC · 2024-04-16

This service bulletin provides a repair procedure to correct customer concerns of Rough Idle, Surge/Bucking with Light Throttle and Higher Loads, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402 and/or P22FB Set.

CHEVROLET, GMC · 2023-12-18

This service bulletin provides a repair procedure to correct customer concerns of Rough Idle, Surge/Bucking with Light Throttle and Higher Loads, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402 and/or P22FB Set.

CHEVROLET, GMC · 2023-12-08

This service bulletin provides a repair procedure to correct customer concerns of Rough Idle, Surge/Bucking with Light Throttle and Higher Loads, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0402 and/or P22FB Set.

CHEVROLET, GMC · 2023-10-30

This technical bulletin provides repair information to correct a customer concern of Vehicles Setting DTCs P20EE, P22FE, P2C7A, P2EAD, P20FE, P2203, P22FB, P2459, P049D, P0300, and/or P1C30.

CHEVROLET · 2023-09-12

This technical bulletin provides repair information to correct a customer concern of DTC P22FB/P22FE CALIBRATION UPDATE - REPROGRAM DEF CONTROL UNIT (DCU).

HINO · 2023-04-20

The vehicle’s Malfunction Indicator Lamp (MIL) may illuminate with DTC P22FB and/or P22FE set in the DEF Control Unit (DCU). If one or more of the preceding DTCs are present, first follow the diagnostic for the DTC(s) in question. If no mechanical fault can be found during normal diagnosis, follow the service procedure in this bulletin to correct the concern.

ISUZU · 2022-11-02

The vehicle's Malfunction Indicator Lamp (MIL) may illuminate with DTC P22FB and/or P22FE set in the DEF Control Unit (DCU). If one or more of the preceding DTCs are present, first follow the diagnostic for the DTC(s) in question. If no mechanical fault can be found during normal diagnosis, follow the service procedure in this bulletin to correct the concern.

MAZDA · 2022-05-13

Some customers may experience the CHECK ENGINE light ON at idle with DTC P22FB:00 [DCU] and P1640:00 [PCM] stored in memory. *P22FB:00 [DCU]: NOx sensor No.1: On-board diagnostics canceled *P1640:00 [PCM]: Powertrain DTCs available in dosing control unit This is caused by a false malfunction detection occurring under certain conditions. To eliminate this concern, the detection condition of DTC P22FB:00 has been changed.