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Help with a few codes V70-XC70

Hello,
While we're on our 3rd V70 (many know me here) I pulled codes from another Volvo which isn't a V70. The codes should be recognizable.
I need help with a few of them.

I looked at a 2004 XC-90 yesterday at a local gas station. It drove quite well though it had no discernible turbo boost.
It shifted well, had clean oil on the dipstick though a few chunks of build-up on the filler cap and oil fill grille.
The AC worked just fine too.
I pulled 17 codes with my BSR-PPC reader.
There was no Check Engine Light
The CEL did light up appropriately with the start-up circuit.

I used CAPS after each code and definition for clarity.

1) ECM 2A2A - Rear HO2S bank #1 heating. I WILL CHANGE THE REAR O2 SENSOR
2) CEM 1A66 - Communication with ICM. NO IDEA WHAT ICM MEANS
3) CEM 5B01 - LH heating element. HEATING ELEMENT OF WHAT?
4) CEM 6C48 - Transponder type. WHICH TRANSPONDER?
5) CEM 6C49 - Steering Column Lock Module. KEY WORKED OK. THE DISABLER RING (see above)
6) CEM 8F2D - Windshield Wipers / wiper. WIPERS AND WASHERS WORKED OK
7) CEM 8F2E - Windshield Wipers / wiper. as above
8) ECM 4801 - TWC efficiency bank 1. WHAT IS TWC?
9) DDM 0025 - BUT 0035 REFERRED TO THE PASSENGER WINDOW
10) PDM 0025 - as above
11) UEM 0035 - reading lamp
12) UEM 0037 - reading lamp
13) UEM 0039 - General Courtesy lighting
14) UEM 0080 - Rain Sensor
15) PCM 002A - NO PCM CODES LISTED
16) PCM 002B - as above
17) PCM 0023 - as above

Any help with any of these will be much appreciated.
1) I'm sure the heating element of the sensor went bad so it's self explanatory
2) as stated, what's an ICM and where should I look?
3) LH (left hand?) heating element?
4 + 5) The anti-theft transponder pick-up ring?
6 + 7) Any clue here as the wipers and washers work.
8) TWC efficiency? no clue
9 + 10) Another odd Volvo window positioning code?
11 - 14) I can live with these. I'll check the bulbs and throw water on the windshield
15 - 17) There were no PCM definition nor heading let alone codes listed.

Any help at all with these puzzlers. thanks George (and Kira)






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New Help with a few codes [V70-XC70]
posted by  Georgeandkira  on Sun Aug 18 05:49 CST 2019 >

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