Pontiac Sunrunner P0743 Engine Error Code

When you check Pontiac Sunrunner car engine light came on code P0743 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Pontiac manufacturer may have a different definition for the P0743 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

On 1999 and later P0743 Pontiac Sunrunner engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

Pontiac Sunrunner P0743 OBD-II Diagnostic Powertrain (P) Trouble Code Description Pontiac Sunrunner car P0743 OBD-II Trouble Code The Torque Converter Clutch (TCC) solenoid valve is activated, with the gear in D4, by the Transmission Control Module (TCM) in response to signals sent from the vehicle speed and the Engine Control M Reason For Pontiac Sunrunner P0743 Code The reason of Pontiac Sunrunner P0743 OBD-II Engine Error Code is P0743 Torque Converter Clutch Circuit Electrical.

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P0743 Pontiac Sunrunner code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Pontiac Sunrunner P0743 Possible Solution :

In-line Ford engines, along with those of most other manufacturers, begin the numbering of cylinders at the front and proceed in numerical order toward the back. In the V-engine design, Ford follows a similar design with the number one cylinder at the front left of the engine. In the V-6 configuration, cylinder 4 is at the front right of the engine and in a V-8, cylinder number 5 is in that location. Other manufacturers sometimes use an alternating pattern in the V-engines.

What does fault code P0743 mean for Pontiac Sunrunner ? What does a diagnostic reading P0743 mean for Pontiac Sunrunner ? How to fix OBD2 Code P0743 for Pontiac Sunrunner ? What do we know about P0743 code for Pontiac Sunrunner ?