U2391 Cadillac Calais OBD Code

OBD/2 U2391 error code description and symptoms.

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) U2391 DTC is a check of the VCT unit.

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.

U2391 Cadillac Calais Error Code Repair Process :

The scent may U2391 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 U2391, so if the inside of your car booster pedal force switch circuit failure 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.

Difficulty Level (Expert)

Repair Time (35 Min.)

Cost Prediction : $ 90-120

Common Causes of Cadillac Calais U2391 OBD2 Code

A common cause of code U2391 is the failure of Booster Pedal Force switch circuit Failure, but there are several other possible causes as well, such as ;

• Camshaft advance mechanism binding (VCT unit)
• Faulty Fuel injector
• Insufficient cylinders compression
• Continuous oil flow to the VCT piston chamber

U2391 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.

U2391 code for other Cadillac cars

You can view according U2391 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• U2391 Cadillac 20f30
• U2391 Cadillac 314
• U2391 Cadillac 50
• U2391 Cadillac 6.5 Hp
• U2391 Cadillac 60
• U2391 Cadillac 61
• U2391 Cadillac 62
• U2391 Cadillac 75
• U2391 Cadillac Allante
• U2391 Cadillac Aurora
• U2391 Cadillac Biarritz
• U2391 Cadillac Bls
• U2391 Cadillac Brougham
• U2391 Cadillac Catera
• U2391 Cadillac Cien
• U2391 Cadillac Cimarron
• U2391 Cadillac Coupe
• U2391 Cadillac Cts
• U2391 Cadillac Deville
• U2391 Cadillac Dts
• U2391 Cadillac Eldorado
• U2391 Cadillac Escalade
• U2391 Cadillac Esv
• U2391 Cadillac Evoq
• U2391 Cadillac Fleetwood
• U2391 Cadillac Imaj
• U2391 Cadillac Le Mans
• U2391 Cadillac Lmp
• U2391 Cadillac Model A
• U2391 Cadillac Model B
• U2391 Cadillac Model C
• U2391 Cadillac Model D
• U2391 Cadillac Osceola
• U2391 Cadillac Park Avenue
• U2391 Cadillac Seville
• U2391 Cadillac Sixty
• U2391 Cadillac Solitaire
• U2391 Cadillac Srx
• U2391 Cadillac Sts
• U2391 Cadillac V
• U2391 Cadillac V16
• U2391 Cadillac Vizon
• U2391 Cadillac Xlr

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