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MY 2010 Ford Ranger, constant blinking indicator (O/D OFF)


Hatcher

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Location
Trinidad and Tobago
Vehicle Year
2010
Make / Model
Ford Ranger
Transmission
Automatic
Good day guys,

I have a 2010 Ford Ranger International model (automatic transmission) and very recently the O/D OFF indicator started blinking constantly, I have also realized that while driving, the gear changes with a hard thud. I got the vehicle scanned and an error code U0101 is present, which is a communication failure with the TCM (transmission control module).
Any assistance with this issue would be greatly appreciated.
 


rubydist

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Location
Denver
Vehicle Year
2009
Make / Model
Ford Ranger FX4
Engine Type
4.0 V6
Transmission
Automatic
2WD / 4WD
4WD
In addition to the possibilities listed of bad TCM or bad communication network (wiring) between the PCM and TCM, it is also possible that the PCM is bad.
 

Hatcher

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Location
Trinidad and Tobago
Vehicle Year
2010
Make / Model
Ford Ranger
Transmission
Automatic
In addition to the possibilities listed of bad TCM or bad communication network (wiring) between the PCM and TCM, it is also possible that the PCM is bad.
hey bud , just got my vehicle scanned again and they say that its a sensor that needs to be changed, when i do it and its successful i will post the fix.
 

sgtsandman

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Location
Aliquippa, PA
Vehicle Year
2011/2019
Make / Model
Ranger XLT/FX4
Engine Size
4.0 SOHC/2.3 Ecoboost
2WD / 4WD
4WD
Total Lift
Pre-2008 lift/Stock
Tire Size
31X10.5R15/265/65R17
Another possibility, though the truck seems kind of new for that, is the wires running from the overdrive button getting chaffed in the column. They tend to be very thin wires and some have had issues with the coating on the wire getting worn and shorting to the metal in the steering column.
 

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