U2578 Pontiac Trans Sport DTC Code

Pontiac Trans Sport Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	V-Type Engine
Engine Air Intake Process :	Naturally Aspirated

Your Pontiac Trans Sport engine control system detects a problem, the computer stores the diagnostic trouble code U2578 in its memory. To figure out what is wrong with your vehicle you must first extract the U2578 DTC For Pontiac Trans Sport.

On 1999 and later U2578 Pontiac Trans Sport 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.

U2578 Pontiac Trans Sport DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
2	MFG - Manufacturer Specific
5	Auxiliary Emission Controls
7	Exhaust Gas Recirculation System Valve 1
8	Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

The rule of U2578 Pontiac Trans Sport code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of U2578. Likewise, overriding the OBD U2578 DTC For Pontiac Trans Sport system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.