P183D CHEVROLET - Internal Mode Switch 2 D2 Circuit High Voltage
P183D CHEVROLET Possible Causes
- Faulty Manual Shift Shaft Position Switch Assembly
- Manual Shift Shaft Position Switch Assembly harness is open or shorted
- Manual Shift Shaft Position Switch Assembly circuit poor electrical connection
First diagnose P183D CHEVROLET code
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 terminals.
Cost of diagnosing the P183D CHEVROLET code
Labor: 1.0The cost of diagnosing the P183D CHEVROLET 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.
P183D CHEVROLET Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P183d Chevrolet DescriptionThe automatic transmission manual shift shaft position switch assembly, also called the internal mode switch assembly, contains two sliding hall-effect switch assemblies attached to the control valve body within the transmission. The 9 outputs from the switches indicate which position is selected by the transmission manual shaft. Four outputs (A, B, C, P) are range selection inputs to the transmission control module (TCM). Five outputs (R1, R2, D1, D2, S) are direction selection inputs to the hybrid powertrain control module. The Range input signals are represented as TCM scan tool parameters, Internal Mode Switch A, B, C, and P. The Direction input signals are represented as hybrid powertrain control module scan tool parameters, Internal Mode Switch 2 - R1, R2, D1, D2, and S. The input voltage at the modules is high when a switch is open and low when a switch is closed to earth. Each control module independently supplies power and earth to its respective switch assembly.
The hybrid powertrain control module is internal to the power inverter module, often referred to as the drive motor generator power inverter module and is not serviced separately.
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