P0340 on Cadillac vehicles A fault in the camshaft position sensor circuit on bank 1
P0340 is named on 5 Cadillac model years (2016–2020): 20 manufacturer filings and 0 owner reports in NHTSA’s files, across Escalade, CTS-V.
Which Cadillac model years name P0340
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2016 Cadillac Escalade | Engine | 6 | — |
| 2018 Cadillac Escalade | Electrical System | 5 | — |
| 2017 Cadillac Escalade | Engine | 5 | — |
| 2020 Cadillac Escalade | Engine | 2 | — |
| 2018 Cadillac CTS-V | Electrical System | 2 | — |
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.
Cadillac filings that name P0340
Source: NHTSA manufacturer communicationsBulletins and campaigns Cadillac 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.
- 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
- 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
- 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.
- 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.
- PIP5335D Service bulletin2019-11-07 · 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
- PIP5724 Service bulletin2020-04-21 · Engine And Engine Cooling
- This Preliminary information communicates The 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 pintched between the X154 connector bracket and the front engine cover on lower left side of the engine.
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 Cadillac 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 Cadillac vehicles?
It is a documented one: NHTSA's files hold 20 manufacturer filings and 0 owner reports naming P0340 on 5 Cadillac 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 Cadillac models does P0340 appear on most?
2016 Escalade (6 documents), 2018 Escalade (5 documents), 2017 Escalade (5 documents).
Does P0340 on a Cadillac 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.