Problems owners report
Complaints filed with NHTSA about the 1989 Mitsubishi Sigma, by the system named in each complaint. One complaint can name several.
- Power train1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Recalls
THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE IMPROPERLY.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mitsubishi told its dealers about the 1989 Mitsubishi Sigma: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 600571 | INFORMATION ABOUT IMPROVED AUTOMATIC TRANSAXLE END CLUTCH. *TT |
| 52633 | VALVE LASH ADJUSTER PROCEDURES - SERVICE MANUAL REVISION. *TW |
| 10170852 | This Technical Service Bulletin updates the door adjustment procedure in the Body Section of the applicable service manuals. |
| 10169006 | This is a service newsletter (Tech Talk) that was sent out to dealers. |
| 10163703 | This is a Technical Service Bulletin sent to dealers. This bulletin supersedes TSB-18-00-003, issued April, 2018, to add updated information for Carrying Capacity Reduced Label. |
| 10130469 | This is a service newsletter (Tech Talk) that was sent out to dealers. |
NHTSA manufacturer communications (public domain)
NHTSA investigations
TAKATA SEAT BELT BUCKLE FAILURE
NHTSA Office of Defects Investigation