OBD-II code · Powertrain (generic, extended)
P262C Sensor Reference Voltage G Circuit / Open
The 5 V reference G output that the engine controller supplies to a group of sensors is open. All sensors fed from this rail will report invalid readings.
Is it safe to drive with P262C?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen wire on the reference rail
- PossibleOpen inside the ECU reference output
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Control Module, Reference Voltage Rail, Wiring Harness
Related codes
- P2629O2 Sensor Pumping Current Trim Circuit / Open Bank 2 Sensor 1
- P262AFuel Injector - Pilot Injection Not Learned
- P262BControl Module Power Off Timer Performance
- P262DSensor Reference Voltage G Circuit Low
- P262ESensor Reference Voltage G Circuit High
- P262FSensor Reference Voltage G Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.