TSB PIC6636 — Chevrolet Service bulletin
PIC6636 is a service bulletin on file with NHTSA for the Chevrolet Malibu, 2019–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary Information addresses an issue with the odometer displaying dashes and provides direction for the dealership/technician.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIC6636 names
| Vehicle | Model years |
|---|---|
| Chevrolet Malibu | 2019, 2020, 2021, 2022 |
Every document filed under PIC6636
| Document ID | Filed | Type |
|---|---|---|
| PIC6636 | December 19, 2025 | Service bulletin |
Questions buyers ask
What is TSB PIC6636?
PIC6636 is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet Malibu across the 2019–2022 model years. NHTSA's summary reads: This Preliminary Information addresses an issue with the odometer displaying dashes and provides direction for the dealership/technician.
Which vehicles does PIC6636 cover?
NHTSA's file names Chevrolet Malibu (2019–2022). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIC6636 a recall, and is the repair free?
No. PIC6636 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIC6636?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIC6636, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIC6636. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.