Standard Ignition Automatic Transmission Output Shaft Speed Sensor P/N:SC633
Keep transmission shifts and cruise control reading accurate with the Standard Ignition Automatic Transmission Output Shaft Speed Sensor / Vehicle Speed Sensor (SC835). This sensor monitors output shaft rotation and reports vehicle speed to the powertrain control module, and it drops in as a direct-fit replacement for the 2020-2024 Chevrolet Silverado 2500 HD, 2020-2024 Chevrolet Silverado 3500 HD, 2020-2024 GMC Sierra 2500 HD, and 2020-2024 GMC Sierra 3500 HD. See the Buyer's Guide tab for the full application and engine list.
Listed under both the Automatic Transmission Output Shaft Speed Sensor and Vehicle Speed Sensor names. Signs this sensor may need replacing include erratic or harsh shifting, an inoperative speedometer or cruise control, and related speed-sensor trouble codes — diagnose the cause before replacing.
Interchange: SN8536 · VSSA353 · VSS1369 · 24043904 · 24052281 · 24294739
This part cross-references / interchanges with the following part numbers:
What does the SC835 sensor do?
It monitors output shaft rotation and sends a vehicle speed signal to the powertrain control module, which the transmission and cruise control systems use to operate correctly.
Which vehicles does it fit?
It is a direct-fit replacement for the 2020-2024 Chevrolet Silverado 2500 HD and 3500 HD, and the 2020-2024 GMC Sierra 2500 HD and 3500 HD. See the Buyer's Guide tab for full details.
What are signs this sensor may be failing?
Erratic or harsh shifting, a speedometer or cruise control that stops working, and speed-related trouble codes. Diagnose the cause before replacing, as these symptoms can have other sources.
Is this an OE-style replacement?
Yes. Standard Ignition lists it as a direct-fit OE replacement designed to install in the factory location for the covered applications.
What numbers does this sensor interchange with?
It cross-references SN8536, VSSA353, VSS1369, 24043904, 24052281, and 24294739.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.