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CADILLAC, CHEVROLET, GMC

PIP5335C

Manufacturer communications

Publication date
2019-06-19
Received by NHTSA
2019-07-08
NHTSA record numbers
10162143

Manufacturer summary

Original wording in English

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 corrosion in connector X154 located on the front cover next to the vacuum pump.

NHTSA manufacturer communications ↗

Reported code forms

P0340P0341

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
GMCYUKON DENALI2018
GMCYUKON DENALI2017
GMCYUKON DENALI2016
GMCYUKON DENALI2015
GMCYUKON XL2014

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