Code result
U0697
Lost Communication With Particulate Filter Pressure Sensor D
Moderate severity
What it means
The vehicle bus reports loss of communication with smart DPF differential pressure sensor D. The ECM cannot read soot loading via this channel and may switch to a model-based estimate.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Bus wiring open or shorted
highOne of the most commonly reported causes for this code — check this first.
Module without power or ground
mediumA plausible cause — test and verify before replacing parts.
Module failed
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose U0697 freeNo credit card required