Ford 2021 F-150 | Engine: 3.5L PowerBoost |
Issue:
Some 2021 F-150 vehicles equipped with a 3.5L PowerBoost engine may experience diagnostic trouble code (DTC) U0288 stored in the secondary on-board diagnostic module C (SOBDMC), also referred to as the inverter system controller (ISC). This may be due to various software parameters within the SOBDMC. To correct the condition, follow the Service Procedure to perform a multi-module reprogramming, beginning with the powertrain control module (PCM).
Action:
Follow the Service Procedure steps to correct the condition if the vehicle meets all of the following criteria:
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2021 F-150
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3.5L PowerBoost engine
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U0288 stored in the SOBDMC
Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty (SPW)/Service Part New Vehicle (SPNV)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/SPW/SPNV/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. | Description | Operation No. | Time | | 2021 F-150 3.5L PowerBoost: Retrieve DTCs, Reprogram The PCM And Any Additional Modules Required By The Software Update (Do Not Use With Any Other Labor Operations) | 212128A | 0.3 Hrs. |
| Causal Part: | RECAL | | Condition Code: | 04 |
1. Reprogram the PCM using the latest software level of the appropriate Ford diagnostic scan tool.
NOTE: Advise the customer this vehicle is equipped with an adaptive transmission shift strategy which allows the vehicle's computer to learn the transmission's unique parameters and improve shift quality. When the adaptive strategy is reset, the computer will begin a relearning process. This relearning process may result in firmer than normal upshifts and downshifts for several days.
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