Powertrain Definition only Lights the check engine lamp

P2A68: Alternative Fuel Tank C Level Sensor Circuit Intermittent/Erratic

Standardized SAE J2012 code · P2Axx codes

What does P2A68 mean?

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

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Common causes

  • High Sensor connector not seated
  • Medium Noisy ground reference
  • Low Connector with intermittent contact under vibration

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2A68 on the same make and model first.

P2A68 in the community

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