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Old 06-23-2010, 03:34 PM   #5
gsbmw
Registered User
 
Join Date: May 2006
Location: Los Angeles
Posts: 117
My Ride: 2000 323i
95dime/Derek,
I don't have a Peake reader, but I will list below the OBD II codes together with BMW's Fault Codes and descriptions, taken from the Bentley manual. Perhaps the Peake uses BMW's codes. Note that the codes refer to both banks, which implies that there is a problem upstream of the two cylinder banks (thus it affects both banks) and therefore is probably not related to individual sensor faults, for example.

OBD II.....BMW-FC............Description
P1188......227..................Fuel Control (Bank 1 Sensor 1)
P1189......228..................Fuel Control (Bank 2 Sensor 1)
P1250......None................?
P0170......202..................Fuel Trim (Bank 1)
P0173......203..................Fuel Trim (Bank 2)
P0150......153, 154, 155....O2 Sensor Circuit (Bank 2 Sensor 1)
P0130......150, 151, 152....O2 Sensor Circuit (Bank 1 Sensor 1)

EDIT NOTE: These codes are for my engine (M52 TU, Siemens DME MS42.1 from 6/1/1999 to 10/31/2000). I see in the Bentley manual that different OBD II codes may come up in other engines for the BMW Fault Codes listed above. For example, BMW codes 202, 203, 227 and 228 can trigger codes P0171 and P0174 (if too lean) or codes P0172 and P0175 (if too rich) for the M54 engine, Siemens DME MS43.0 from 4/1/2000 to 8/31/2001. Other engines may have additional codes. I will try to make a table of possible codes for the various BMW Fault Codes listed here.

Last edited by gsbmw; 06-23-2010 at 06:49 PM.
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