P0700 Buick Transmission Control System Malfunction
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 Buick 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 Buick Description
The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. When the TCM detects a malfunction with the control, a signal is send to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 Buick code and it means the TCM detected a malfunction with the transmission controls.
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera