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New Power Train TSB: SSM 51057 -- vehicles may exhibit a powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0929:77

Snax

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Source: 2022 FORD MAVERICK PU/CC 2WD | NHTSA

August 31, 2022 MANUFACTURER COMMUNICATION NUMBER: SSM 51057

Components: POWER TRAIN

NHTSA ID Number:
10219068
Manufacturer Communication Number: SSM 51057

Summary

Some 2021-2022 Mustang Mach-E, 2022 Escape/Bronco Sport/Maverick/Transit vehicles may exhibit a powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0929:77 stored in the gear shift module (GSM). This may be due to the software in the GSM. To correct this condition, reprogram the GSM module using the latest software level of the Ford Diagnosis and Repair System (FDRS). For claiming, use causal part 7P155 and applicable labor operations in Section 10 of the Service Labor Time Standards (SLTS) Manual.

Ford Maverick New Power Train TSB: SSM 51057 -- vehicles may exhibit a powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0929:77 Screen Shot 2022-09-28 at 5.20.47 PM
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jsus

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So not the hybrid this time. LOL
Is there anything that indicates the transmission is relevant to this issue? Seems it's just as likely to affect either. It's the same gear shift dial in both EB and hybrid, same in Mustang Mach-E which is an EV.
 

KeinoDoggy

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Is there anything that indicates the transmission is relevant to this issue? Seems it's just as likely to affect either. It's the same gear shift dial in both EB and hybrid, same in Mustang Mach-E which is an EV.
Post above says the TSB is for 2022 FORD MAVERICK PU/CC 2WD | NHTSA. Hybrid version is listed as 2022 FORD MAVERICK HEV. Also I have a hybrid and this TSB is not listed for it.
 

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jsus

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BradGroux

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Xjeepguy

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Was a 2001 Tj 4cyl 5 speed (190,000)km never even got a flat , still had original goodyear spare on the back when i sold it in 2018 , hopping i do as well with my Mav.
 

jsus

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Milous

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There's also a TSB about the issue - TSB 22-2343
"Shift Knob Rotates Without Brake Pedal Depressed, Transmission Remains In Park (P)"

2022 Maverick Built on 13-Sep-2021 and through 18-Jan-2022

Demonstration Of The Condition:
Video: https://bcove.video/3L6U9DK
 

Hdang1980

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This happened tonight. Wasn't able to put the truck in gear. I let it sit for a few minutes and it fired up but the check engine light is still on. Looks like I'll be making an appointment with the dealer tomorrow. I have a hybrid.

Ford Maverick New Power Train TSB: SSM 51057 -- vehicles may exhibit a powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0929:77 Screenshot_20221130-170409_FordPass
 

Jargman

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I just brought my 2022 Lariat Hybrid Truck in for this problem a few weeks ago. They said they had to replace the ECM. Shortly after receiving the Truck back, I started getting the same error: "The powertrain control system has detected that the system power supply voltage is lower than desired." I just brought the truck in Yesterday and they have not been able to determine what is wrong yet. In addition to this, I am also having issues with the transmission especially while going down hill. There seems to be a problem with the engine engaging with the electric motor. Sometimes when stopping the brakes jerk and the engine makes a grinding sound. In addition to that, I also have a crack in my front window which I have noticed other people have experienced as well. It was definitely not caused by an impact as the crack starts from the frame. It was probably not installed correctly. Are you guys replacing cracks like this or will I be expected to replace the windshield? I know there is a Ford Representative on the this forum. Maybe you can help. My truck is being repaired at Capitol Ford in San Jose.

I'm pretty disappointed to have so many issues with a brand new vehicle. Hopefully you guys can figure out a way to fix these permanently.

My vin is: 3FTTW8E30NRA01220
 

Darnon

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In addition to that, I also have a crack in my front window which I have noticed other people have experienced as well. It was definitely not caused by an impact as the crack starts from the frame.
Perchance the "crack" that is the heated wiper element?
 
 




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