Powertrain
Definition only
Lights the check engine lamp
P2687: Fuel Supply Heater Control Circuit / Open
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P2687 mean?
The controller cannot drive the diesel fuel filter or supply line heater. In cold weather diesel waxing can clog the filter.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Open heater element
- Medium Failed heater relay
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2687 on the same make and model first.
P2687 in the community
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