DTC P1641: Fuel Pump Primary Circuit Malfunction.
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P1641 - FUEL PUMP PRIMARY CIRCUIT MALFUNCTION.
| For Vehicles Equipped With a FPDM | |||
| Description: | See the description for DTC P1235 /P1236 . | ||
| Possible Causes: | See the possible causes for P1235 /P1236 . | ||
| Diagnostic Aids: | See the diagnostic aids for DTC P1235 /P1236 . | ||
| For All Others | |||
| Description: | See the description for DTC P0230 . | ||
| Possible Causes: | See the possible causes for DTC P0230 . | ||
| Diagnostic Aids: | See the diagnostic aids for DTC P0230 . | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| Vehicles Equipped With a FPDM | GO to KB: Fuel Pump Driver Module STEP KB19. | ||
| Excursion | GO to KA: Fuel Pump (FP) Relay STEP KA31. | GO to KA: Fuel Pump (FP) Relay STEP KA31. | GO to KA: Fuel Pump (FP) Relay STEP KA60. |
| All others | GO to KA: Fuel Pump (FP) Relay STEP KA1. | GO to KA: Fuel Pump (FP) Relay STEP KA1. | GO to KA: Fuel Pump (FP) Relay STEP KA30. |