1997 Cadillac Brougham P0121 Fault Code Check

When you check 1997 Cadillac Brougham car engine light came on code P0121 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Cadillac manufacturer may have a different definition for the P0121 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

On 1999 and later P0121 1997 1997 Cadillac Brougham 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.

1997 Cadillac Brougham P0121 OBD-II Diagnostic Powertrain (P) Trouble Code Description 1997 Cadillac Brougham car P0121 OBD-II Trouble Code The throttle position sensor ( Reason For 1997 Cadillac Brougham P0121 Code The reason of 1997 Cadillac Brougham P0121 OBD-II Fault Code Check is P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance.

1997 Cadillac Brougham P0121 Possibble Fix Ways :

There could be a number of reasons for noisy brakes. It could be that your brake pads are loose, worn out, or you may have brake dust inside the drum. If you can't see anything wrong with your brake pads, and you suspect it may be brake dust, it may be best to leave this to a professional, brake dust can be extremely dangerous if accidentally inhaled.

If your P0121 1997 1997 Cadillac Brougham 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 P0121 and engine control unit are in charge of monitoring a bunch of different P0121 1997 1997 Cadillac Brougham, and if they get a reading that's a little out of whack, up pops the check engine light.

What does fault code P0121 mean for 1997 Cadillac Brougham ? What does a diagnostic reading P0121 mean for 1997 Cadillac Brougham ? How to fix OBD2 Code P0121 for 1997 Cadillac Brougham ? What do we know about P0121 code for 1997 Cadillac Brougham ?