Engine Light, ABS Light, Traction Control Light are on with codes C0550-00 and B0423-05?

Tiny
MILES EVELEIGH
  • MEMBER
  • 2015 HOLDEN CAPTIVA
  • 2.2L
  • 4 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 120,000 MILES
Engine Light, ABS Light, Traction Control Light.

Fault Codes

C0550-00 Electronic Control Unit

B0423-05 Right Temperature Control Feedback Circuit - High Voltage/Open

Any information would be greatly appreciated.
Monday, February 6th, 2023 AT 8:59 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,313 POSTS
Yep, here is the code definition - C0550 is an internal malfunction in the ABS/traction control module. Here is the location of the ABS module and how to replace it in the images below. Please start a new thread for the one that has to do with the HVAC system, and we only handle one problem per thread. Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Monday, February 6th, 2023 AT 5:21 PM

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