Traction Control Delivered Torque Output Circuit Conditions
Table of contents
P1644 BUICK Possible Causes
- Faulty Delivered Torque Output
- Delivered Torque Output harness is open or shorted
- Delivered Torque Output circuit poor electrical connection
How do I fix code P1644 BUICK?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1644 BUICK code
The cost of diagnosing the P1644 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1644 BUICK Description
With the key on or engine running, brake not applied, Fuel system in closed loop, the Powertrain Control Module (PCM) detects an improper voltage level on the Delivered Torque Output circuit, conditions met for 10 seconds