Loss of power on your vehicle? P2642 means Torque Management Feedback Signal B out of range—scan, test the signal, and plan reprogramming or replacement.

Torque lag or loss of power in your vehicle? P2641 signals a Torque Management Feedback Signal B fault—scan and reprogram or replace the module now.

High torque‑management feedback (P2640) can cause power loss and warning lights on your vehicle—diagnose now and arrange professional module testing.

Low Torque Management Feedback A on your vehicle reduces power and can affect drivability—scan P2639, test the torque module, then reprogram or replace it.

Torque‑management warning on your vehicle? Signal A out of range can limit power and trigger safety mode – scan PCM, test your sensor, reprogram.

Jerky acceleration in your vehicle? P2637 = Torque Management Feedback Signal A – it can affect drivability. Scan, check wiring, then repair or reprogram.

Low fuel pressure warning on your vehicle? P2636 signals Fuel Pump B low flow, risking loss of power. Scan, test the pump, and schedule repair now.

Your vehicle is losing power and may stall—P2635 signals Fuel Pump A low flow/performance. Diagnose the pump circuit now to prevent engine damage.

Fuel pump won’t engage—P2634 signals Fuel Pump B control circuit high, stalls or won’t start. Scan, test the vehicle pump module and reprogram/replace now.

Low fuel pressure from Fuel Pump B Control Circuit Low (P2633) can stall your vehicle—diagnose the circuit now and reprogram or replace the module.