OBD-II code · Powertrain (generic, extended)

P2A68 Alternative Fuel Tank C Level Sensor Circuit Intermittent/Erratic

The level sensor signal of alternative fuel tank C drops out or jumps intermittently. Loose connector or vibration-sensitive contact.

Is it safe to drive with P2A68?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySensor connector not seated
  • PossibleNoisy ground reference
  • Less likelyConnector with intermittent contact under vibration

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–3 h
Emissions test
Usually unaffected
Parts involved
Alt Fuel Tank C Level Sensor, Wiring Harness, Afcm

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.