Quote:
Originally Posted by Madmax43
Hello Stuart.
Here is a ECM fault finding flow chart.
I have a '99 S70 2.5 20v Non turbo with the ETS and MIL on. I got 3 fault codes, all pointing to a bad TCM - the throttle pot.
DTC's read:
P1043=ECM-9520 Accelerator pedal (AP) position sensor, Faulty signal
P1020=ECM-902B Throttle unit communication, Faulty signal
P1059=MIL requested by the throttle unit
In the meantime I spent 130 quid on a 2nd hand yellow label replacement throttle body. Didn't fix! Updated part number to the original white label part number.
Gonna look for a new throttle pot now  So I have a supposedly good white label TCM for the inlet manifold.
In the meatime go to fleabay and search for a T69 OBD2 scanner. I bought one from www.beatthegarage.co.uk for 75 quid.
Martin |
Cheers for that. I've got that very chart right here!
I'm leaning toward fitting a Proper new one or one of these
http://www.ecutesting.com/catalogue/...tby644344.html
__________________
Present - 2001 V70 Torslanda, Vida/Dice owner
Past - 1986 740 GL Estate 4 Speed O/D 2.3l
Past - 1990 740 SE Saloon 5 Speed 2.0l
Past - 1991 740 GL Estate Auto 2.0l
Past - 1985 240 GL Estate 5 Speed 2.3l
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