body control module diagnostic trouble codes

gtarockstar · Posted at Sat Nov 07, 2009 3:33 pm

Computer problem
2000 Pontiac Firebird 6 cyl Two Wheel Drive Automatic 148962 miles

i have a 2000 pontiac firebird 3.8 and i need to know what a body control module code 26 means. my car has codes 12 31 33 34 55 26
12 and 55 are ok but the others are not
alldata has all but the 26 code

rasmataz · Posted at Sat Nov 07, 2009 3:41 pm

You have an OBD2 complaint not a an OBD1 its a 2000 vehicle

I don't think that code is right-Below list is for the BCM

Body Control Module (BCM) Codes

Code Description
B110 ....................................... Outside Air Temperature Circuit Problem
B111 ..................................... A/C High Side Temperature Circuit Problem
B112 ......................... A/C Low Side Temperature Circuit Problem [A/C Clutch]
B113 ............................................ In-Car Temperature Circuit Problem
B115 ........................................... Sunload Temperature Circuit Problem
B119 ................................. Twilight Sentinel Photosensor Circuit Problem
B120 ................................... Twilight Sentinel Delay Pot Circuit Problem
B122 ........................................ Panel Lamp Dimming Pot Circuit Problem
B124 .................................................. Speed Sensor Circuit Problem
B127 .......................... PRNDL321 Sensor Circuit Problem [Park Brake Release]
B132 ................................................... Oil Pressure Sensor Failure
B332 .......................................... ABS/TCS Serial Communication Failure
B333 ................................ Loss of Supplemental Inflatable Restraint Data
B334 .................................. Loss of Electronic Control Module (ECM) Data
B335 ................ Loss of Climate Control Driver Information Center (CCDIC) Data
B336 .................................... Loss of Instrument Panel Cluster (IPC)Data
B337 ................... Loss of Programmer Data [A/C Clutch, Parking Brake Release]
B339 ..................................... Ride Control Serial Communication Failure
B409 ....................................................... Charging System Failure
B410 ....................................................... Charging System Problem
B411 ......................................................... Battery Volts Too Low
B412 ........................................................ Battery Volts Too High
B420 ................................................... BCM Output Driver 1 Failure
B421 ................................................... BCM Output Driver 2 Failure
B440 .......................................................... Air Mix Door Problem
B441 .......................................................... Cooling Fans Problem
B446 ......................................... Low A/C Refrigerant Condition Warning
B447 ....................... Very Low A/C Refrigerant Condition Warning [A/C Clutch]
B448 ...................... Very Low A/C Refrigerant Pressure Condition [A/C Clutch]
B449 ............................................ A/C High Side Temperature Too High
B450 ..................................... Coolant Temperature Too High [A/C Clutch]
B480 ......................... Loss of ABS/TCS Communication [Antilock Brake System]
B481 ............................................. Antilock Brake System (ABS) Fault
B483 ...................................... ABS/TCS Disabled [Antilock Brake System]
B552 .................................................... BCM Memory Reset Indicator
B556 .............................................................. BCM EEPROM Error
L110 ........................................... LSP Communication Failure (Allante)
L411 ................................. Lighting System Low Voltage Warning (Allante)

gtarockstar · Posted at Sat Nov 07, 2009 4:15 pm

security light flashes and you count flashes
switch on,switch off,remove radio fuse,switch acc 5sec,sounds twice,switch off 1 sec,switch acc,sounds 3 times.
12 diagnostic system check
21 and 31 courtesy lamps feed shorted to ground
22 and 32 courtesy lamps return shorted to battery (coupe) or 22 and 32 courtesy lamps return shorted to battery (convertible)
23 and 33 rap feed shorted to ground or battery
24 and 34 seatbelt indicator shorted to ground or battery
25 and 35 security indicator status
41 last message received valid
42 last message received invalid
43 last message received with sumcheck error
44 last message received with encryption error
45 receiver processing in 20 seconds lockout
55 begin configuration display