When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the...
Acura technical service bulletin B20-039 for 2017-2020 Acura MDX Sport Hybrid.
- Bulletin number
- B20-039
- Component
- Electrical system: software
- Summary
- "Service Bulletin - When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the following DTCs: -P073F (unable to engage gear 1) -P074B (unable to engage gear 3) -P074D (unable to engage gear 5) -P074F (unable to engage gear 7) Due to inappropriate calibration of the PCM, the OBD system cannot properly clear the transmission permanent DTC as required."
Owners of these vehicles have filed 3 complaints in the electrical category.
Vehicles covered
- Acura MDX Sport Hybrid 2017-2020 2017201820192020
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