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Flash computer 2010 chevy equinox Abs, traction control, ck engine lights all come on. Vehicle goes into "safe" mode Drives at about 5 mph until I turn off & restart after 5 mins

GM has no clue & won't fix it Was told to flash the computer What is this & what does it cost?

Posted by Mary E DiVittorio on


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Jeff Armer

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Probably caused by the electronic throttle control . How many miles on the vehicle ? The gas pedal has position sensors that the PCM - engine computer uses to know how much to open the throttle plate .
Drive by Wire Function and diagnostics by Wells
What engine ?
The throttle actuator control (TAC) system is used to improve emissions, fuel economy, and driveability. The TAC system eliminates the mechanical link between the accelerator pedal and the throttle plate. The TAC system eliminates the need for a cruise control module and idle air control motor. The following is a list of TAC system components:
• The accelerator pedal assembly includes the following components:
- The accelerator pedal
- The accelerator pedal position (APP) sensor 1
- The APP sensor 2
• The throttle body assembly includes the following components:
- The throttle position (TP) sensor 1
- The TP sensor 2
- The throttle actuator motor
- The throttle plate
• The engine control module (ECM)

Posted on May 29, 2017


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