Code result
P2549
Torque Management Request Input Signal B Range/Performance
Moderate severity
What it means
Input B is electrically intact but the values are implausible — same failure mode as the A-side performance fault, applied to the second torque-management channel.
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
Requesting module sending invalid values
highOne of the most commonly reported causes for this code — check this first.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Sensor mounting loose - signal damping
lowLess common, but worth ruling out after the more likely causes.
Related help
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