Cadillac Repair: 1997 diagnostic codes, adrian wright, start car

Question
QUESTION: How do I clear existing codes.

ANSWER: what codes do you have and I need the MODEL of the vehicle.

---------- FOLLOW-UP ----------

QUESTION: 1997 cad sts
codes are.
po603
b2112
b2118
b2120
b1656

ANSWER: To clear the "P" codes:

1. Go back and review the codes and when you see PCM?

2. Push and release the HI button and you will see DATA

3. Keep pushing and releasing the LO button until you see CLEAR CODES.

4. Push and release the HI button and you will see CODES CLEAR.

5. Keep pressing and releasing the OFF button until you see PCM?

6. Keep pushing and releasing the LO button until you see PZM?

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.


Turn OFF ignition, Drive or start car and see if any codes return.

---------- FOLLOW-UP ----------

QUESTION: Thank You!!!!!!!!!!

That cleared the po603 code.

I still have the history codes.
b2112
b2118
b2120
b1656

can these also be cleared??
Thanks in advance for your looking into this.
Adrian Wright

Answer
1. Go back and review the codes and when you see PCM?

2. Keep pushing and releasing the LO button until you see MSM?

3. Push and release the HI button and you will see DATA?

4. Keep pushing and releasing the LO button until you see CLEAR CODES

5. Push and release the HI button and you will see CODES CLEAR.


Turn OFF ignition, Drive or start car and see if any codes return.