2016 Chevrolet City Express LSFACTORY OEM SERVICE PROCEDURE

Transmission Replacement

NOTE:

The Read Only Memory (ROM) is part of the control solenoid valve assembly which is part of the transmission assembly, and is not serviced separately.

If you are unable to communicate with the TCM during step 3 and do not have a CD-ROM containing characterization data for this transmission. Take a picture of the QR Code label and send to TCSC. TCSC will retrieve the data from the label and send back the information needed for Transmission Control Module-Configuration.

Transmission/Transmission Control Module (TCM) Replacement 

GM4009316Courtesy of
Callout Component Name
1 Serial Number
2 QR Code
  1. Replace the Transmission.
  2. Using a Scan Tool, access the Service Programming System (SPS) and follow the on-screen instructions.
  3. Perform the SPS function K71 Transmission Control Module-Programming and follow the on-screen instructions.
  4. Clear the DTC's after completing the Programming procedure.
  5. Perform the SPS function K71 Transmission Control Module-Configuration and follow the on-screen instructions.
    NOTE:

    When prompted select the file from CD provided with Transmission.

  6. Clear DTC's after completing the Configuration procedure.
  7. Perform the Transmission Oil Life Reset procedure.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.