C0040 on Chevrolet vehicles A fault in the right front wheel speed sensor circuit
C0040 is named on 5 Chevrolet model years (2016–2023): 6 manufacturer filings and 1 owner report in NHTSA’s files, across Colorado, Impala, Traverse.
Which Chevrolet model years name C0040
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2016 Chevrolet Colorado | Service Brakes | 3 | — |
| 2023 Chevrolet Traverse | Service Brakes | — | 1 |
| 2020 Chevrolet Impala | Wheels | 1 | — |
| 2019 Chevrolet Colorado | Service Brakes | 1 | — |
| 2019 Chevrolet Impala | Wheels | 1 | — |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Chevrolet filings that name C0040
Source: NHTSA manufacturer communicationsBulletins and campaigns Chevrolet filed with NHTSA whose summary names C0040. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- PIT5499 Service bulletin2016-03-15 · Service Brakes, Electric
- This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master cylinder fluid level is full or a Service Trailer Brake message on the Driver Information Center. Technician may find codes C0035, C0040, C0045, C0050, C0055, C0267, U0121, U0415 o
- PIT5499A Service bulletin2019-03-04 · Service Brakes, Hydraulic
- This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master cylinder fluid level is full or a Service Trailer Brake message on the Driver Information Center. Technician may find codes C0035, C0040, C0045, C0050, C0055, C0267, U0121, U0415 o
- PIT5499B Service bulletin2020-05-20 · Trailer Hitches
- This Preliminary Information communication provides information to the technician that vehicles may have an Antilock Braking System or Malfunction Indicator Lamp illuminated. Also Low Brake Fluid lamp on with the master cylinder fluid level is full or a Service Trailer Brake message on the Driver Information Center. Technician may find codes C0035, C0040, C0045, C0050, C0055, C0267, U0121, U0415 o
- PIE0533A Service bulletin2019-12-11 · Wheels
- This engineering information (EI) revision ends the need for information from the field on a condition of wheel speed sensor inoperative with DTCs C0035, C0040, C0045 and/or C0055.
What C0040 means
Source: SAE J2012 / OBD-IIA fault in the right front wheel speed sensor circuit.
A stored code names the test that failed, never the part that caused it. The record above is what Chevrolet and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs C0040 a known problem on Chevrolet vehicles?
It is a documented one: NHTSA's files hold 6 manufacturer filings and 1 owner report naming C0040 on 5 Chevrolet model years (2016–2023). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Chevrolet models does C0040 appear on most?
2016 Colorado (3 documents), 2019 Colorado (1 document), 2020 Impala (1 document).
Does C0040 on a Chevrolet mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.