OBD-II code · Powertrain (generic, extended)
P2697 Exhaust Aftertreatment Fuel Injector A Circuit / Open
The 7th injector (HC dosing for DPF active regeneration) cannot be driven. Active regeneration cannot raise exhaust temperature, soot accumulates in the DPF.
Is it safe to drive with P2697?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyOpen coil in injector solenoid
- PossibleBroken control wire
Symptoms
- Check engine light on
- Misfire or rough idle on the affected cylinder
- Increased fuel consumption
- Possible fuel smell or smoke from exhaust
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–5 h
- Emissions test
- Likely to fail
- Parts involved
- Hc Dosing Injector, Injector Solenoid, Wiring Harness
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.