NHTSA ID Number: 10204463
Manufacturer Communication Number: PIP5797B
Summary
This Preliminary information communicates the need to replace the transmission
assembly for faults related to non-serviceable internal parts.
3 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| CHEVROLET | CORVETTE | 2020-2022 |
Condition
Service Transmission Message: Some customers may comment on a service transmission message or a service engine soon
message accompanied by any of the following DTCs: P2838, P2839 or P283A.
Cause
Internal transmission faults related to components not serviceable at the dealer level.
Correction:
If any combination of two or more DTCs P2838, P2839 or P283A have set current or history, then check circuit integrity on circuit 7812 between the TCM and transmission.
Check terminal tension and for a possible short to ground.
If any issues are noted repair as needed and verify vehicle is repaired.
If no issues are noted then transmission would need replacement as anything related to the odd shaft module (OSM) is not serviced.
If these two DTCs, P1955 and P0867, and any combination of additional DTCs:
Any instance where the vehicle has a current or history P1955 and P0867 stored the transmission would require replacement.
Note: An MCV replacement will not repair vehicles with P1955.
SEOCONTENT-START
Bulletin No.: PIP5797B
Published date: 11/30/2021
Preliminary Information
PIP5797B M1L P2838 P2839 P283A P1955 P0867 Internal Transmission Faults Related To
Components Not Serviceable At The Dealer Level
Models
Brand: Model: Model Years:
VIN:
Engine: Transmissions:
from to
Chevrolet Corvette 2020 – 2022 All All LT2 M1L
Involved Region or Country North America
Condition
Service Transmission Message: Some customers may comment on a service transmission message or a service engine soon
message accompanied by any of the following DTCs: P2838, P2839 or P283A.
Cause Internal transmission faults related to components not serviceable at the dealer level.
Correction:
If any combination of two or more DTCs P2838, P2839 or P283A have set current or history, then check circuit integrity on circuit 7812 between the
TCM and transmission.
Check terminal tension and for a possible short to ground.
If any issues are noted repair as needed and verify vehicle is repaired.
If no issues are noted then transmission would need replacement as anything related to the odd shaft module (OSM) is not serviced.
If these two DTCs, P1955 and P0867, and any combination of additional DTCs:
Any instance where the vehicle has a current or history P1955 and P0867 stored the transmission would require replacement.
Note: Please do not drain the transmission prior to replacement. Engineering would like to get the transmission back with original fluid still in the unit.
Note: An MCV replacement will not repair vehicles with P1955.
Version History
Version 3
Modified
03/30/2021 – Created on.
07/15/2021 Clarified repair direction.
11/30/2021 Added 2022 Model Year.
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5797B
Published date: 11/30/2021
NHTSA ID Number: 10201246
Manufacturer Communication Number: PIP5797A
Summary
This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5797A
Published date: 07/15/2021
NHTSA ID Number: 10190439
Manufacturer Communication Number: PIP5797
Summary
This Preliminary information communicates the need to replace the transmission assembly for faults related to non-serviceable internal parts.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5797
Published date: 03/30/2021
- [Diagnose Like a Pro] BlueDriver Pro is a professional OBD2 scanner and diagnostic tool that helps you scan, understand, and clear vehicle trouble codes with confidence. Turn your phone into a powerful car diagnostic scanner—no guesswork, no unnecessary repairs.
- [Read and Clear More Codes Than Ever] Read and clear more codes than basic car code readers. Access enhanced diagnostics for Check Engine, ABS, SRS, Airbag, TPMS, Transmission.
- [Verified Fixes and Real-Time Data] Get unlimited, technician-verified repair reports matched to your VIN, with definitions, causes, and confirmed fixes. Monitor live vehicle data as you drive, view freeze frames, check smog readiness, and analyze Mode 6 test results.
- [Wireless & Bluetooth Enabled] - Say goodbye to wires. BlueDriver connects with Bluetooth via your phone/tablet to a sensor that plugs into your car's OBDII port. Get all of the capabilities of an expensive code reader & scan tool without any annoying wires.
- [Broad Make & Model Coverage] Strong support for GM, Ford, Stellantis (RAM, Jeep, Chrysler), Toyota, Honda, Nissan, Mazda, Subaru, Hyundai, Mercedes-Benz, BMW, and VW.
- 2026 Advanced ECU Coding Scan Tool: Maximize the capabilities of your vehicles with the ArtiDiag Pro. This scan tool, seamlessly compatible with renowned models such as VW, A-U-D-I, SKODA, SEAT, BENZ, and more, empowers you to uncover hidden features, deactivate annoying functions, and code retrofitted components for peak performance. Ensure a backup before coding and steer clear of problems on low battery levels.
- Efficient Diagnostics with Bidirectional Control: Say goodbye to uncertainty, streamline diagnostics, and reclaim valuable time with ArtiDiag Pro scan tool. This bidirectional scan tool exceeds expectations, enabling targeted tests on individual actuators to swiftly identify and resolve issues. Covering lights, door locks, fuel and coolant systems, windows, wipers, EVAP, and more in vehicle components.
- 35+ Services Resolve 90% of Repair Challenges: Unleash maximum productivity with the ArtiDiag Pro, a scan tool that tackles 90% of maintenance issues through its 35 special functions. Effortlessly clear oil maintenance indicators with oil reset. Engage the EPB Reset for brake system management and establish precise alignment with the Steering Angle Reset to define the straight-line reference position for your vehicle.
- FCA Autoauth : This diagnostic tool supports Autoauth for FCA SGW/Renault, Chrysler, Jeep, Dodge, Fiat etc. 2017 and later. NOTE: Due to Product Upgrade, there is no Chrysler 12+8 adapter, the BMW-20 Adapter in the package any more. We are sincerely sorry for the inconvenience. NOTE: Please confirm compatibility before purchase.(Topdon Website>Support>Vehicle Coverage)
- Professional Customer Support: At TOPDON, your satisfaction is our unwavering commitment. Experience hassle-free support and a lifetime of expert assistance. Should you encounter any challenges, reach out to us at 833-629-4832. For returns, please damage the packaging to prevent Amazon from reselling it. Please be advised that after two years, a subscription fee of 249 Bucks will apply.
- Dual WiFi & 10.1" Touchscreen: Provides a stable, high-speed wireless link 3x faster than bluetooth, and a responsive, professional interface. Topdon ONE obd2 scanner diagnostic tool ensures smooth, non-lagging diagnostic scan, boosting mechanic efficiency
- J2534 Pass-Thru Support: The included ONE VCI supports the J2534 standard, allowing it to function as a pass-thru device when paired with OEM diagnostic software.Through TOPDON’s RLink platform, technicians can perform dealer-level coding, expanding in-house capabilities without investing in multiple factory automotive scan tools
- OE Topology Mapping: Visualize the vehicle’s ECU network exactly as it’s built.Zoom, pan, and highlight specific modules to pinpoint component issues with precision.Topology mapping displays real-time communication between modules
- 50+ Service Functions: Covers high-demand services like ADAS calibration, DPF regen, TPMS reset, ABS bleed, and throttle adaptation.Expands your service menu, allows you to charge premium rates, and turns away zero jobs due to lack of tooling. Vehicle-specific functionality may vary
- Advaned ECU Coding: 10 of the most serviced brands in North America, including full ECU coding and flash hidden support for BMW, VW, Au-di, Benz, Porsche, Toyota, Ni ssan and more. Enables module replacement, feature customization, and personal settings with automatic backup or restore.Lets your shop safely offer high-margin customization services, attracting more customers and boosting profit
- [Diagnose Like a Pro] BlueDriver Pro Next-Gen is a professional OBD2 scanner and diagnostic tool that helps you scan, understand, and clear vehicle trouble codes with confidence. Turn your phone into a powerful car diagnostic scanner—no guesswork, no unnecessary repairs.
- [Read and Clear More Codes Than Ever] Read and clear more codes than basic car code readers. Access enhanced diagnostics for Check Engine, ABS, SRS, Airbag, TPMS, Transmission, and more on supported vehicles, including expanded coverage on newer model years.
- [Verified Fixes and Real-Time Data] Get unlimited, technician-verified repair reports matched to your VIN, with definitions, causes, and confirmed fixes. Monitor live vehicle data as you drive, view freeze frames, check smog readiness, and analyze Mode 6 test results.
- [Expanded Make & Model Coverage] Optimized for today’s vehicles with strong support for GM, Ford, Stellantis (RAM, Jeep, Chrysler), Toyota, Honda, Nissan, Mazda, Subaru, Hyundai, Mercedes-Benz, BMW, and VW. Enhanced communication on select 2024+ Nissan and Mazda models (see compatibility chart).
- [Gas Vehicles 1996+ & Select Light-Duty Trucks] Works with all gas-powered vehicles made in 1996 or newer, plus select light-duty trucks and diesels, including F-250, RAM 2500, Silverado, and Sierra. Built for daily drivers, family vehicles, and real-world truck use.
This product presentation was made with AAWP plugin.