CHEVROLET, GMC
PIP4775B
Manufacturer communications
- Publication date
- 2012-10-29
- Received by NHTSA
- 2017-08-15
- NHTSA record numbers
- 10112520
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 shortly after cold start. Technician will find a Diagnostic Trouble Code P2181 in the Engine Control Module. Technician will need to inspect the rear heater pipes shown below for proper installation.
Reported code forms
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