DTC B12A3-72 FOR FUEL PUMP RELAY STUCK OPEN SERVICE INFORMATION DTC B12A3-72 (Fuel Pump Relay Stuck Open)...
Nissan technical service bulletin NTB21-009 for 2019-2021 Nissan Altima, 2020-2021 Nissan Versa and 2018-2021 Nissan Kicks.
- Bulletin number
- NTB21-009
- Component
- Fuel system, gasoline
- Summary
- DTC B12A3-72 FOR FUEL PUMP RELAY STUCK OPEN SERVICE INFORMATION DTC B12A3-72 (Fuel Pump Relay Stuck Open) may be stored when the IPDM monitor circuit internally sees 0V to ground at pin #46. This is caused by an internal short to ground in the IPDM or one of the IPDM fuses listed below is open. If B12A3-72 is current or reoccurs after erasing DTCs, inspect the model specific fuse first. If the fuse is not open replace the IPDM. Altima – Fuse # 58 (page 2) Kicks – Fuse # 54 (page 3) Versa – Fuse # 61 (page 4) For additional IPDM diagnostic information refer to the Electronic Service Manual (ESM): Section ELECTRICAL & POWER CONTROL > POWER CONTROL SYSTEM > IPDM E/R. See model specific fuse locations starting on page 2.
Vehicles covered
- Nissan Altima 2019-2021 201920202021
- Nissan Versa 2020-2021 20202021
- Nissan Kicks 2018-2021 2018201920202021
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