Code result
P2639
Torque Management Feedback Signal A Low
Moderate severity
What it means
The torque feedback signal A reads below its valid range. Either the source reports a value below physical possibility or the bus signal is stuck low.
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
Source module sends invalid low value
highOne of the most commonly reported causes for this code — check this first.
Signal stuck low on the bus
mediumA plausible cause — test and verify before replacing parts.
Related help
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