# Service bulletin SSM 46139

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10090975
- Published by NHTSA: 2017\-02\-08
- Manufacturer's number: SSM 46139
- Manufacturer's date: 2016\-10\-19
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

SOME 2015\-2016 F\-150 VEHICLES MAY EXPERIENCE INTERMITTENT LOSS OF THROTTLE PEDAL RESPONSE, ILLUMINATED WRENCH, HILL DESCENT, AIRBAG, ANTI LOCK BRAKE SYSTEM\(ABS\) AND/OR ADVANCED TRAC WARNING INDICATORS AND/OR P2122, P2123, P2124, P2125, P2127, P2128 AND/OR P2138 DTCS. THIS MAY BE CAUSED BY THE ACCELERATOR PEDAL POSITION \(APP\) SENSOR 14A005 HARNESS BEING IMPROPERLY ROUTED BEHIND THE BRAKE BOOSTER TO BRAKE PEDAL BRACKET. IF THE HARNESS IS IMPROPERLY ROUTED, LOOSEN THE BRACKET TO FREE THE HARNESS. INSPECT AND REPAIR DAMAGED CIRCUITS BEFORE PROPERLY ROUTING THE HARNESS. IF THE HARNESS IS PROPERLY ROUTED, PROCEED WITH NORMAL DIAGNOSTICS IN THE WORKSHOP MANUAL \(WSM\).

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Brakes

## Trouble codes named

P2122, P2123, P2124, P2125, P2127, P2128, P2138

## Vehicles listed

- 2015 to 2016 FORD F\-150

## Recalls for the same vehicles and component

- [2022115](/recalls/tc/2022115.md), 2022-03-14: Brakes
- [22V150000](/recalls/nhtsa/22V150000.md), 2022-03-11: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER; SERVICE BRAKES, HYDRAULIC:POWER ASSIST
- [2020252](/recalls/tc/2020252.md), 2020-06-08: Brakes
- [20V332000](/recalls/nhtsa/20V332000.md), 2020-06-08: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER; SERVICE BRAKES, HYDRAULIC:POWER ASSIST

## Other bulletins for the same vehicles and component

- [SSM 51962](/bulletins/10244827.md), 2023-11-03, Service bulletin: SERVICE BRAKES; EQUIPMENT. Some 2016\-2018 F\-150 and 2016\-2017 Expedition/Navigator vehicles may require pressure bleeding of the brake system. The brake system pressure bleeding procedure in the Workshop Manual \(WSM\), Section 206\-00, has been updated to add a warning to not apply the brake pedal or master cylinder damage may occur.
- [SSM 51261](/bulletins/10228876.md), 2023-01-06, Service bulletin: SERVICE BRAKES. Some Ford and Lincoln vehicles may exhibit noise when the brakes are applied. When diagnosing and repairing brake noise conditions, use the Workshop Manual \(WSM\) and the appropriate pinpoint test in section 206\-00. The brake rotors should only be machined if directed by the WSM because one or more of the following conditions are present on the braking surface: scoring, excessive corrosion/rust or pitting, bluing/discoloration and/or heat spots. For additional information, refer to WSM section 206\-00.
- [SSM 51120](/bulletins/10222788.md), 2022-10-11, Service bulletin: SERVICE BRAKES, HYDRAULIC. Some Ford and Lincoln vehicles may exhibit noise when the brakes are applied. When diagnosing and repairing brake noise conditions, use the Workshop Manual \(WSM\) and the appropriate pinpoint test in section 206\-00. The brake rotors should only be machined if directed by the WSM because one or more of the following conditions are present on the braking surface: scoring, excessive corrosion/rust or pitting, bluing/discoloration and/or heat spots. For additional information, refer to WSM section 206\-00.
- [SSM 50064](/bulletins/10201034.md), 2021-09-04, Service bulletin: SERVICE BRAKES, ELECTRIC:SOFTWARE/PROGRAMMING. Some 2013\-2021 Ford and Lincoln vehicles may exhibit noise when the brakes are applied. When diagnosing and repairing brake noise conditions, use the Workshop Manual \(WSM\) and the appropriate pinpoint test in section 206\-00. The brake rotors should only be machined if directed by the WSM because one or more of the following conditions are present on the braking surface: scoring, excessive corrosion/rust or pitting, bluing/discoloration and/or heat spots. For additional information, refer to WSM section 206\-00.
- [TSB\-20\-2028](/bulletins/10171859.md), 2020-03-03, Service bulletin: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM; EQUIPMENT. Some 2013\-2018 F\-150/Expedition/Navigator vehicles equipped with 4\-wheel drive \(4WD\) may exhibit an intermittent grinding noise while driving in 2\-wheel drive \(2WD\) mode most commonly on acceleration. This may be due to a loss of vacuum to the integrated wheel end \(IWE\) actuators and/or wear of the IWE components. To correct the condition, follow the Service Procedure steps to reprogram the transfer case control module \(TCCM\) and replace any worn vacuum and/or IWE components.
- [SSM 47701](/bulletins/10153943.md), 2019-03-04, Service bulletin: STEERING; SERVICE BRAKES, AIR:ANTILOCK. Some 2016\-2019 F\-150 vehicles may exhibit DTC C0051 in the ABS module. This DTC compares steering angle between the power steering control module \(PSCM\) and ABS and may set due to towing, driving in heavy winds, loose suspension or steering gear components, alignment, or harness or connector concerns with the ABS or PSCM circuits. The ABS pinpoint tests AE, LA, or LB may direct a replacement of the PSCM after disconnecting/reconnecting PSCM connectors. Do not replace the PSCM using ABS Pinpoint tests AE, LA, LB. Refer to the Workshop Manual \(WSM\) Section, 211\-02 to locate the correct PSCM pinpoint tests for the PSCM DTCs that are retrieved during the PSCM self\-test. The ABS pinpoint tests are in the process of being updated.

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