Possible causes
– Shorted or open circuit within Transmission Control Module (TCM)
– Faulty Transmission Control Module (TCM)
– Faulty Transmission Control Module (TCM)
Tech description
Since the P0700 is just and informative code, check the TCM for more codes to resolve the problem.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Driveability problems
– Transmission shifting problems
– Driveability problems
– Transmission shifting problems
P0700 CHEVROLET OBD Code Description