OBD-II code · Powertrain (generic)
P05C8 Economy Mode Switch Circuit Range or Performance
Same as P05C7 with the input in plausible range yet not matching expected behaviour.
Is it safe to drive with P05C8?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyContact resistance drifted
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.2 h
- Emissions test
- Usually unaffected
- Parts involved
- Economy Mode Switch
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.