U257A DTC For Rover 400
Rover 400 Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | Opposite Piston Engine |
| Engine Air Intake Process : | Naturally Aspirated |
Your Rover 400 engine control system detects a problem, the computer stores the diagnostic trouble
code U257A in its memory.
To figure out what is wrong with your vehicle you must first extract the U257A DTC For Rover 400.
On 1999 and later U257A Rover 400 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.
U257A Rover 400 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 |
| A |
TFP Valve Position Switch-Drive Without Drive Ratio |
If your U257A Rover 400 check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system U257A and engine control unit are in charge of monitoring a bunch of different U257A DTC For Rover 400, and if they get a reading that's a little out of whack, up pops the check engine light.
You can also check other Rover car models :
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The listed Rover models will give information about U257A DTC.
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