I'm looking for guidance on how to diagnose and fix the ABS code C016 or C0161 on my 2010 Chevrolet Tahoe. Both the ABS and traction control lights come on, and I want to know what components to check or replace.
A common initial suspect for code C0161 is the brake light switch. There are multiple switches in the brake assembly, and one of them may be faulty or misaligned.
Thanks KEV2 for the insight—this helps clarify where to start troubleshooting.
Code C0161 can also trigger if the brake and gas pedals are applied simultaneously. Try clearing the code and monitor if it returns under normal driving conditions. The vehicle's ECU evaluates multiple inputs before setting this fault.
Note: Code C0161 specifically indicates a malfunction in the ABS/TCS brake switch circuit—this is critical for proper braking and stability control operation.
chuy3016 wrote: I'm looking for guidance on how to diagnose and fix the ABS code C0161 on my 2010 Chevrolet Tahoe. Both the ABS and traction control lights come on, and I want to know what components to check or replace.
The ABS and traction control lights are both illuminated—what specific part should I inspect first? Could it be the brake light switch?