Chassis · C codes · 635 codes
Chassis codes
ABS and brakes, wheel-speed sensors, steering, stability control, suspension and tire pressure.
Codes in this group
635
Generic SAE codes · OBDex
Rated urgent
68%
429 codes · our rating
DIY-friendly
29%
182 codes · per OBDex
Typical labor
$100–$375
Median hours × $125/hr · est.
01 —Subsystems
Chassis code groups
Tires & suspension
31 codesTire pressure sensors, air and adaptive suspension, ride-height sensors and dampers.
Steering
51 codesElectric power steering motors and torque sensors, steering-angle sensors and rear-wheel steering.
Stability & traction
43 codesYaw-rate and acceleration sensors, traction control and electronic stability control.
ABS & brakes
502 codesWheel-speed sensors, ABS inlet/outlet valves and pump, brake pressure sensors, electronic parking brake and brake boosters.
Other chassis
8 codesTransfer case, trailer, adaptive cruise and other chassis controls.
02 —Start here
First C codes
- C0001TCS Control Channel A Valve 1Often: valve stuck or coil failedUrgent$250–$750 labor est.
- C0002TCS Control Channel A Valve 2Often: valve stuck or coil failedUrgent$250–$750 labor est.
- C0003TCS Control Channel B Valve 1Often: valve stuck or coil failedUrgent$250–$750 labor est.
- C0004TCS Control Channel B Valve 2Often: valve stuck or coil failedUrgent$250–$750 labor est.
- C0010Left Front Inlet ControlOften: valve stuck or coil failedUrgent$250–$750 labor est.
- C0011Left Front Outlet ControlOften: valve stuck or coil failedUrgent$250–$750 labor est.
- C0012Left Front Hydraulic Release Too LongOften: outlet valve sluggish or hydraulic restrictionUrgent$250–$750 labor est.
- C0014Right Front Inlet ControlOften: valve stuck or coil failedUrgent$250–$750 labor est.
Code data: OBDex (CC0) · labor estimates at $125/hr, parts extra