Code result
B0337
Passenger Seat Heater Circuit
Moderate severity
What it means
The body control module has detected a fault in the passenger seat heater circuit. Same fault profile as B0335 but for the passenger seat.
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
Heater element broken
highOne of the most commonly reported causes for this code — check this first.
Seat connector corroded
mediumA plausible cause — test and verify before replacing parts.
Related help
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