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)
– 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 P2108 code on following Cadillac vehicles:
2006 Cadillac Escalade
2007 Cadillac Escalade
Factory Service Bulletin Cadillac Escalade OBDII Code P2108
When is the obd code mean?
The Throttle Actuator Control (TAC) module is unable to write or read data from the Random Access Memory (RAM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– No throttle response
– No throttle response
P2108 CADILLAC OBD Code Description
The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC operation. The TAC module continuously test the integrity of this data. When the TAC module is unable to write or read data to and from Random Access Memory (RAM), or the TAC module is unable to correctly read data from the flash memory or and internal TAC module processor fault is detected and the Detected Trouble Code (DTC) is set.
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