U0107 CHEVROLET Lost Communication With Throttle Actuator Control Module

Possible causes
– Faulty Throttle Actuator Control (TAC) module
– Throttle Actuator Control (TAC) module harness is open or shorted
– Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires)
Tech description
There is a factory service bulletin for the U0107 code on following Cadillac vehicles:

2006-2007 Chevrolet Avalanche
2006-2007 Chevrolet Express 1500/2500/3500
2006-2007 Chevrolet Silverado
2006-2007 Chevrolet Silverado Flex Fuel
2006-2007 Chevrolet Silverado Hybrid
2006-2007 Chevrolet Silverado SS
2006-2007 Chevrolet Silverado 2500/3500 HD
2006-2007 Chevrolet Suburban
2006-2007 Chevrolet Tahoe

Factory Service Bulletin Chevrolet OBDII Code U0107

When is the obd code mean?
The U0107 code is set when the Powertrain Control Module (PCM) detects a loss of data or invalid data from the Throttle Actuator Control (TAC)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– No throttle response
U0107 CHEVROLET OBD Code Description