TSB 23-2185

6/26/23, 2:49 PM
2023 Bronco
TECHNICAL SERVICE BULLETIN
2.7L - Illuminated MIL With DTC P051B - Built On Or Before 12-Jun-2023
23-2185
19 June 2023
Model:
Ford
2023 Bronco
Engine: 2.7L
Built on or before 12-Jun-2023
Issue: Some 2023 Bronco vehicles built on or before 12-Jun-2023 equipped with a 2.7L engine may exhibit an
illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P051B stored in the powertrain
control module (PCM). This may be due to the software in the PCM. To correct the condition, follow the Service
Procedure to reprogram the PCM.
Action: Follow the Service Procedure to correct the condition if the vehicle meets all of the following criteria:
• 2023 Bronco
• Built on or before 12-Jun-2023
• 2.7L engine
• Illuminated MIL with DTC P051B 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.
Labor Times
Description
Operation No. Time
2023 Bronco 2.7L: Reprogram The PCM (Do Not Use With Any Other Labor Operations)
232185A
0.3 Hrs.
Repair/Claim Coding
Causal Part:
RECALEM
Condition Code: 04
Service Procedure
1. Reprogram the PCM using the latest software level of the Ford Diagnosis and Repair System (FDRS). Repair is
complete. If DTC P051B persists, refer to PPT HG of the Workshop Manual, Section 303-08B.
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.
© 2023 Ford Motor Company
All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and
equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information
that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition
described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy
and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.
The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supersede
this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.
https://www.fordtechservice.dealerconnection.com
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