1-2 Shift Solenoid Circuit High Input Voltage
Table of contents
P1843 PONTIAC Possible Causes
- Faulty 1-2 Shift Solenoid
- 1-2 Shift Solenoid harness is open or shorted
- 1-2 Shift Solenoid circuit poor electrical connection
How do I fix code P1843 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 P1843 PONTIAC code
The cost of diagnosing the P1843 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)
P1843 PONTIAC Description
With the engine runtime over 5 seconds, system voltage from 8-18v, Fuel Cutoff inactive, 1-2 Shift Solenoid commanded on by the Powertrain Control Module (PCM), the PCM detects a continuous short to power on the 1-2 Shift Solenoid feedback circuit for 4.3 seconds.