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Author Topic: Help me locate rear O2 delete bits - 4B0906018CH  (Read 3530 times)
amd is the best
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« on: July 05, 2017, 03:42:26 PM »

My map pack doesn't include all of the variables I need to completely remove the rear O2 on my 4B0906018CH 360101 binary. Can someone assist with the following locations?

CLAHSH
CLAHSHE
CLALSH

Original bin attached.

Thank you in advance.
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2012 Golf TDI
2001 Audi A4 2.8 30v Supercharged
1991 Audi 200 20v
rogerius
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« Reply #1 on: July 06, 2017, 06:05:39 AM »

My map pack doesn't include all of the variables I need to completely remove the rear O2 on my 4B0906018CH 360101 binary. Can someone assist with the following locations?

CLAHSH
CLAHSHE
CLALSH

Original bin attached.

Thank you in advance.

since these are CLA's, not crucial, I can give you with 99% precision the following:
CLAHSH @ 10882 (P1114)
CLAHSH2 @ 10883 (P1140)
CLAHSHE @ 10884 (P1105, P1117, P1118)
CLAHSHE2 @ 10885 (P1110, P1121, P1122)
CLALSH @ 108A3 (P0138, P0137, P0140, P0136)

For 100% precision, need to be checked according to the procedure of identifying the CLA Table (from the P's).
But if you try the addresses and coresponding CEL goes off, means address is correct.
Hope it helps.
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amd is the best
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« Reply #2 on: July 06, 2017, 07:07:48 AM »

since these are CLA's, not crucial, I can give you with 99% precision the following:
CLAHSH @ 10882 (P1114)
CLAHSH2 @ 10883 (P1140)
CLAHSHE @ 10884 (P1105, P1117, P1118)
CLAHSHE2 @ 10885 (P1110, P1121, P1122)
CLALSH @ 108A3 (P0138, P0137, P0140, P0136)

For 100% precision, need to be checked according to the procedure of identifying the CLA Table (from the P's).
But if you try the addresses and coresponding CEL goes off, means address is correct.
Hope it helps.

Thank you for your response. I will test these out. They do look to be correct though.

You mentioned these bits not being crucial, maybe you can give me some insight.

I have no cat and no rear oxygen sensor. I'd like to force readiness and have no fault codes. Currently I have the following modified in the above mentioned file:

CDHSH: 1 -> 0
CDHSHE: 1 -> 0
CDLATV: 1 -> 0
CDLSH: 1 -> 0
CWKONABG: 5 -> 0
CWKONLS: 3 -> 1
CDKAT: 1 -> 0
CDLASH: 1 -> 0

I receive the fault code "Malfunction in circuit, B1 S1" (I don't recall the P-code at the moment). This code only has started occurring since I have attempted to completely remove the rear O2 and there is not an issue with the sensor or circuit.



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2012 Golf TDI
2001 Audi A4 2.8 30v Supercharged
1991 Audi 200 20v
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