2008 GMC sierra 1500 2WD C0055 DTC

Question

2008 GMC sierra JL7 system no rear brake sensors new VSS sensor installed ABS light illuminated spedomenter fluctuating with engine RPMs W/trans in Park possible fault with ECBM module or harness connection between PCM and ECBM?

Answer 1

Hi there,

This code indicates an issue with the rear wheel speed sensor. If replacing this sensor hasn't solved the issue, it's likely a wiring problem. Here is some info for you.

C0055 GMC - Rear Wheel Speed Sensor Circuit

Read more: https://www.autocodes.com/c0055_gmc.html