Chevrolet TSB #PIP-4891-C
2012 Chevrolet Volt
Affected Component: ENGINE AND ENGINE COOLING:ENGINE
- Summary
- GM: SERVICE ENGINE SOON LIGHT IS ON WITH A TROUBLE CODE STORED. IT IS LIKELY CAUSED FROM OVERFILLING THE ENGINE AND A LARGE TEMPERATURE CHANGE. 2011 VOLT. *RM UPDATED ON 5/2/2012. *KB UPDATED 2/1/16. *PE