Brake Band Apply Solenoid Circuit
Table of contents
P1850 PONTIAC Possible Causes
- Faulty Brake Band Apply Solenoid
- Brake Band Apply Solenoid harness is open or shorted
- Brake Band Apply Solenoid circuit poor electrical connection
How do I fix code P1850 PONTIAC?
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 P1850 PONTIAC code
The cost of diagnosing the P1850 PONTIAC 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)
P1850 PONTIAC Description
With the engine running, Transmission Control Module (TCM) High Side driver is closed, the Powertrain Control Module (PCM) detects that the Band Control solenoid was commanded off and the feedback voltage was less than 2.45v, or the Band Control solenoid was commanded off and the feedback voltage was from 2.45 -3.53v, or the Band Control solenoid was commanded on and the feedback voltage was more than 4.02v.