QuestionQUESTION: I have a 1992 cadillac seville and my check light is on and the car seems to run good but i cant get an enspection sticker because the engine light is on is there any way i can find out why the engine light is on by me checking myself without an expensive diagnose. The car has a changed motor.
ANSWER: 1. Ignition ON, Engine OFF.
2. Simultaneously push and hold the OFF and WARMER buttons on your climate control panel for 3 seconds and then release them.
3. Tell me EXACTLY what codes appear just as if you were video taping them.
4. When you see ECM?, Turn ignition OFF.
---------- FOLLOW-UP ----------
QUESTION: Code E041 current, E052 history, I039 History, I052 history, no acp code, Ro33 history, R061 current
AnswerThe first thing you need to do is erase ALL the CODES from the computer and see which ones return.
First thing we need to do is CLEAR (erase) all these CODES and see which ones return.
Re-enter diagnostics and after the codes display at you see ECM?
1. Push and release the HI button and you will see DATA.
2. Keep pushing and releasing the LO button until you see CLEAR CODES?
3. Push and release the HI button and you will see CODES CLEAR.
4. This will CLEAR all the E codes that are in HISTORY.
5. Press and release the OFF button and you will see ECM?
6. push and release the LO button and you will see IPC?
7. Push and release the HI button and you will see DATA.
8. Keep pushing and releasing the LO button until you see CLEAR CODES?
9. Push and release the HI button and you will see CODES CLEAR.
10. This will CLEAR all the "I" codes that are in HISTORY.
11. Press and release the OFF button and you will see ECM?
12. Push and release the LO button and you will see IPC?
13. Push and release the HI button and you will see DATA.
14. Keep pushing and releasing the LO button until you see CLEAR CODES?
15. Push and release the HI button and you will see CODES CLEAR.
16. This will CLEAR all the "A" codes that are in HISTORY.
17. Press and release the OFF button and you will see ECM?
18. Keep pushing and releasing the LO button until you see ACP?
19. Push and release the HI button and you will see DATA.
14. Keep pushing and releasing the LO button until you see CLEAR CODES?
15. Push and release the HI button and you will see CODES CLEAR.
16. This will CLEAR all the "S" codes that are in HISTORY.
17. Press and release the OFF button and you will see ECM?
18. Press and release the AUTO button to exit diagnostics.
19. Re-enter diagnostics and you should ONLY see CODE E048.
20. E-mail me at: onlineautohelp@msn.com for pictures and additional directives.
21. Turn ignition key OFF.
