P0340 on Chevrolet vehicles A fault in the camshaft position sensor circuit on bank 1
P0340 is named on 19 Chevrolet model years (2016–2020): 65 manufacturer filings and 0 owner reports in NHTSA’s files, across Silverado, Silverado 2500HD, Tahoe, Suburban, Trax and 3 more.
Which Chevrolet model years name P0340
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2019 Chevrolet Silverado | Engine | 8 | — |
| 2017 Chevrolet Silverado | Engine | 7 | — |
| 2016 Chevrolet Silverado 2500HD | Engine | 6 | — |
| 2016 Chevrolet Tahoe | Engine | 6 | — |
| 2018 Chevrolet Tahoe | Electrical System | 5 | — |
| 2017 Chevrolet Tahoe | Engine | 5 | — |
| 2018 Chevrolet Silverado 2500HD | Electrical System | 4 | — |
| 2018 Chevrolet Suburban | Electrical System | 3 | — |
| 2017 Chevrolet Trax | Electrical System | 3 | — |
| 2020 Chevrolet Tahoe | Engine | 2 | — |
| 2018 Chevrolet Camaro | Electrical System | 2 | — |
| 2018 Chevrolet Corvette | Electrical System | 2 | — |
| 2018 Chevrolet Trax | Equipment | 2 | — |
| 2017 Chevrolet Silverado 2500HD | Electrical System | 2 | — |
| 2017 Chevrolet Silverado 3500HD | Electrical System | 2 | — |
| 2016 Chevrolet Silverado | Electrical System | 2 | — |
| 2016 Chevrolet Silverado 3500HD | Electrical System | 2 | — |
| 2019 Chevrolet Silverado 3500HD | Engine | 1 | — |
| 2018 Chevrolet Silverado 3500HD | Engine | 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 P0340
Source: NHTSA manufacturer communicationsBulletins and campaigns Chevrolet filed with NHTSA whose summary names P0340. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- PIT5677 Service bulletin2019-04-29 · Electrical System
- This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: - SES MIL - No Start - No Crank - Engine runs rough - Reduced engine power - Erratic speedo When checking for DTC's any combination may be found: P001A P2B00 P2B01 P2B03 P2B96 P001B P003D P0107 P
- PIP5335C Service bulletin2019-06-19 · Engine And Engine Cooling
- This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corr
- PIT5677A Service bulletin2019-08-26 · Engine And Engine Cooling
- This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: - SES MIL - No Start - No Crank - Engine runs rough - Reduced engine power - Erratic speedo - Blown Fuse(s): F46UA, F47UA, F51UA, F78UA, F85UA, F86UA, F87UA, and/or F90UA When checking for DTC's
- PIE0416A Service bulletin2017-12-13 · Electrical System
- This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P0335, P0340, or P0365 Set.
- PIP5335A Service bulletin2017-08-21 · Engine And Engine Cooling — Exhaust System — Manifold/Header/Muffler/Tail Pipe
- This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corr
- PIP5335 Service bulletin2015-10-13 · Equipment — Electrical
- This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corr
- PIP5553 Service bulletin2018-02-02 · Electrical System — Starter Assembly
- This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.
- PIP5335B Service bulletin2018-06-12 · Electrical System — Wiring
- This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corr
- PIP5553A Service bulletin2018-09-11 · Electrical System
- This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.
- PIP5482 Service bulletin2017-03-06 · Electrical System — 12V/24V/48V Battery
- This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. The Technician is advised to Perform theBattery Inspection / Test in Service Information using the GR8 /EL 50313 - 20Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing.
- PIP5482B Service bulletin2017-11-21 · Equipment — Other — Owners/Service/Other Manual
- This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. The Technician is advised to Perform theBattery Inspection / Test in Service Information using the GR8 /EL 50313 - 20Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing.
- PIP5482A Service bulletin2017-09-13 · Electrical System — 12V/24V/48V Battery
- This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC's P0335 P0340 P0365 set current or in history. The Technician is advised to Perform the Battery Inspection/Test in Service Information using the GR8/EL 50313 - 20 Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing.
What P0340 means
Source: SAE J2012 / OBD-IIA fault in the camshaft position sensor circuit on bank 1.
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 P0340 a known problem on Chevrolet vehicles?
It is a documented one: NHTSA's files hold 65 manufacturer filings and 0 owner reports naming P0340 on 19 Chevrolet model years (2016–2020). 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 P0340 appear on most?
2019 Silverado (8 documents), 2017 Silverado (7 documents), 2016 Silverado 2500HD (6 documents).
Does P0340 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.