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November 2, 2022 Service bulletin

The vehicle's Malfunction Indicator Lamp (MIL) may illuminate with DTC P22FB and/or P22FE set in the DEF...

Isuzu technical service bulletin SB22-L-001 for 2022-2023 Isuzu N-Series.

Bulletin number
SB22-L-001
Component
Service brakes
Summary
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.

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