Code result
P2548
Torque Management Request Input Signal B
Moderate severity
What it means
General electrical fault on the second torque-management request input B. Used when more than one module needs to request torque adjustments — typically TCM on input A and ABS/ESC on input B, or chassis vs powertrain. With B invalid, only the A-side request is honoured.
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
Open or shorted wire / invalid CAN message
highOne of the most commonly reported causes for this code — check this first.
Related help
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