U3697 Buick Riviera OBD Code

OBD/2 U3697 error code description and symptoms.

The Transmission Fluid Pressure Switch allows the engine's control module (PCM) or Transmission Control Module (TCM) to use hydraulic fluid to engage the clutches in the transmission to allow for smoother shifting while driving. If the PCM or TCM detects an issue with the hydraulic clutch or the pressure switch, the PCM or TCM will set code U3697

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

U3697 Buick Riviera Error Code Repair Process :

The scent may U3697 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such U3697, so if the inside of your car code word unregestered as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Buick Riviera U3697 OBD2 Code

A common cause of code U3697 is the failure of Code Word Unregestered, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Faulty spark plug (s)
Faulty TCM or TCM programming
Ignition coils circuit poor electrical connection

U3697 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

About Us | Contact | Privacy

U3697 Buick Riviera OBD Code

U3697 Buick Riviera Error Code Repair Process :

Common Causes of Buick Riviera U3697 OBD2 Code

U3697 code for other Buick cars