Issue:
Some 2020 F-Super Duty vehicles equipped with a 6.7L engine built on or before 5-Feb-2020 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P203B, P2201 and/or DTC P274B stored in the powertrain control module (PCM). This may be due to various strategies within the PCM software. To correct the condition, follow the Service Procedure to reprogram the PCM.
Action:
Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
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2020 F-Super Duty
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Built on or before 5-Feb-2020
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6.7L diesel engine
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DTC P203B, P2201 and/or DTC P274B stored in the PCM
Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Emissions Warranty/Service Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/Emissions Warranty/SPW/SSP/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. | Description | Operation No. | Time | | 2020 F-Super Duty 6.7L: Reprogram The PCM (Do Not Use With Any Other Labor Operations) | 202044A | 0.6 Hrs. |
| Causal Part: | RECALEM | | Condition Code: | 04 |
1. Reprogram the PCM using the latest software level of the appropriate Ford diagnostic scan tool.
NOTE: Advise the customer that 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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