OBD-II code · Chassis
C0079 Variable Effort Steering
Generic fault on variable effort steering (VES) system.
Is it safe to drive with C0079?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyVES system fault
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Ves System
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.