11037555
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
2020 Chevrolet Impala problems
NHTSA lists 15 complaints for the 2020 Chevrolet Impala, 3 of them mention a crash and 0 mention a fire. 1 complaints mention an injury, with 1 injuries and 0 deaths reported.
Data build 2026-10-09.
NHTSA lists this vehicle as CHEVROLET IMPALA.
At a glance
- Complaints
- 15
- With crash
- 3
- With fire
- 0
- With injury (complaints)
- 1
- Injuries
- 1
- Deaths
- 0
- Recalls
- 0
- Do not drive recalls
- 0
- Park outside recalls
- 0
- Recall potential units (maximum)
- Unavailable
- Investigations
- 0
- Open investigations
- 0
- Manufacturer communications
- 554
Complaints per 100k sold unavailable. The available sales group does not match this vehicle variant.
Where the complaints are
| System | Complaints | Share of this vehicle's complaints |
|---|---|---|
| UNKNOWN OR OTHER | 7 | 46.7% |
| ELECTRICAL SYSTEM | 3 | 20.0% |
| STEERING | 3 | 20.0% |
| AIR BAGS | 2 | 13.3% |
| FUEL/PROPULSION SYSTEM | 2 | 13.3% |
| POWER TRAIN | 2 | 13.3% |
| ENGINE | 1 | 6.7% |
| EXTERIOR LIGHTING | 1 | 6.7% |
| LANE DEPARTURE | 1 | 6.7% |
| SEAT BELTS | 1 | 6.7% |
| System | Subsystem | Complaints |
|---|---|---|
| EXTERIOR LIGHTING | HEADLIGHTS | 1 |
| LANE DEPARTURE | BLIND SPOT DETECTION | 1 |
| STRUCTURE | BODY | 1 |
One complaint can name several systems, so shares can add to more than 100 percent.
Model-generated complaint tags
These labels are model-generated, not NHTSA data.
| Label | Count | Share of tagged | Mean confidence |
|---|---|---|---|
| mechanical failure | 5 | 33.3% | 0.81 |
| loss of control | 3 | 20.0% | 0.85 |
| electrical electronic | 2 | 13.3% | 0.96 |
| fluid or fuel leak | 1 | 6.7% | 0.86 |
| restraint or airbag | 1 | 6.7% | 0.99 |
| structural or corrosion | 1 | 6.7% | 0.73 |
| unclear | 1 | 6.7% | 0.76 |
| visibility or lighting | 1 | 6.7% | 1.00 |
| Label | Count | Share of tagged | Mean confidence |
|---|---|---|---|
| moderate | 11 | 73.3% | 0.86 |
| high | 3 | 20.0% | 0.99 |
| low | 1 | 6.7% | 0.92 |
Model: typesafe/jev-1.13-20260917; schema version: tag-v1. 15 tagged complaints of 15 complaints (100.0%).
Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.
Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.
Recalls
See new recalls and investigations this week.
0 recalls.
Investigations
0 investigations; 0 open.
Manufacturer communications
554 manufacturer communications.
| System | Count |
|---|---|
| EQUIPMENT | 191 |
| ELECTRICAL SYSTEM | 106 |
| ENGINE AND ENGINE COOLING | 95 |
| UNKNOWN OR OTHER | 85 |
| ENGINE | 58 |
| POWER TRAIN | 47 |
| WHEELS | 37 |
| EQUIPMENT ADAPTIVE/MOBILITY | 24 |
11037253
Date: 2026-09-04. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
11035340
Date: 2026-07-21. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
PI to help diagnose A/C concern
11030974
Date: 2026-04-01. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
11030091
Date: 2026-03-09. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
11030092
Date: 2026-03-09. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
11029950
Date: 2026-03-02. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
11027697
Date: 2026-01-16. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
11027701
Date: 2026-01-14. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
11027601
Date: 2026-01-08. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Notes on this record
- Complaints from the API and bulk file are merged and deduplicated by ODI number; the API alone misses records.
- System and subsystem counts are numbers of distinct complaints, recalls or communications that name them. One record can name several systems, so shares across systems can add to more than 100 percent; a single share never exceeds 100 percent.
- Recalls are counted once per campaign, investigations once per action and manufacturer communications once per NHTSA id, even when NHTSA lists several model names for the same record.
- A sales denominator is a calendar-year proxy, not the population of vehicles still in use. Rates are copied from verified pipeline output.
Other names NHTSA uses
None listed.
Matched NHTSA models
| NHTSA model label | Complaints |
|---|---|
| IMPALA | 15 |
Same model, other years
- 2000 Impala: 818 complaints
- 2001 Impala: 742 complaints
- 2002 Impala: 795 complaints
- 2003 Impala: 694 complaints
- 2004 Impala: 1,073 complaints
- 2005 Impala: 609 complaints
- 2006 Impala: 544 complaints
- 2007 Impala: 627 complaints
- 2008 Impala: 810 complaints
- 2009 Impala: 824 complaints
- 2010 Impala: 441 complaints
- 2011 Impala: 505 complaints
- 2012 Impala: 258 complaints
- 2013 Impala: 272 complaints
- 2014 Impala: 636 complaints
- 2015 Impala: 300 complaints
- 2016 Impala: 111 complaints
- 2017 Impala: 116 complaints
- 2018 Impala: 59 complaints
- 2019 Impala: 28 complaints
- 2020 Impala (current year): 15 complaints
Other Chevrolet models, 2020
- Silverado 1500: 733 complaints
- Equinox: 309 complaints
- Traverse: 230 complaints
- Blazer: 220 complaints
- Malibu: 198 complaints
- Bolt EV: 174 complaints
- Silverado 2500: 108 complaints
- Trax: 96 complaints
Sources
Get this record as JSON
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curl "https://api.theusedcarindex.com/v1/demo/vehicle_risk?make=Chevrolet&model=Impala&year=2020"Paid endpoint: https://api.theusedcarindex.com/v1/vehicle_risk. MCP endpoint: https://api.theusedcarindex.com/mcp.