OBD-II code · Chassis
C0089 TCS Disable Switch
Fault on TCS disable switch.
Is it safe to drive with C0089?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySwitch failed or wiring fault
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1 h
- Emissions test
- Usually unaffected
- Parts involved
- Tcs Disable Switch
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.