P1769 Buick High and Low Reverse Clutch Solenoid Valve Function
Possible causes
– Faulty High and Low Reverse Clutch Solenoid Valve
– High and Low Reverse Clutch Solenoid Valve harness is open or shorted
– High and Low Reverse Clutch Solenoid Valve circuit poor electrical connection
– High and Low Reverse Clutch Solenoid Valve harness is open or shorted
– High and Low Reverse Clutch Solenoid Valve circuit poor electrical connection
Tech description
There is a service bulletin for a various Models with the RE5R05A transmission.
Factory Service Bulletin OBDII Code P1769 Buick
Factory Service Bulletin OBDII Code P1769 Buick
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1769 Buick Description
High and low reverse clutch solenoid valve is controlled by the Transmission Control Module (TCM) in response to signals sent from the PNP switch, vehicle speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then be shifted to the optimum position.
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