DTC C0550 "Electronic Control Unit (ECU) Performance
#1
DTC C0550 "Electronic Control Unit (ECU) Performance
C0550 "Electronic Control Unit (ECU) Performance" MH ($29) "Electronic Brake Control Module (EBCM)"
"Service braking system" message on the DIC, abs + brake lights on the dash. PCM went reduced power, only 40% throttle per EFI. Never saw this code or message/lights before, but truck has gone REP before with no codes set. First time I got to scan it.
Dealer? Warranty up in 5k miles. Have stock pcm for this. Code reset immediately after clearing and restarting. SO it should do the same if I swap to factory pcm? I want the dealer to see this code if they will fix it.
Any idea's?
"Service braking system" message on the DIC, abs + brake lights on the dash. PCM went reduced power, only 40% throttle per EFI. Never saw this code or message/lights before, but truck has gone REP before with no codes set. First time I got to scan it.
Dealer? Warranty up in 5k miles. Have stock pcm for this. Code reset immediately after clearing and restarting. SO it should do the same if I swap to factory pcm? I want the dealer to see this code if they will fix it.
Any idea's?
Last edited by lq9crew; 01-24-2009 at 10:04 PM. Reason: info needed
#7
i have a 2009 buick lucerne cxl and i recently got a ABS notification on my dash along with a little whining noise i popped a code reader on it and it gave me a code of C0550 could anyone tell me what this is and what to do from here please
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04BlackGmc
GM Drivetrain & Suspension
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07-16-2015 04:10 PM
03, abs, braking, c0550, code, dtc, ecu, fix, gm, malfuction, malfunction, service, silverado, system, trailblazer