Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 29400-01.
Condition
On certain 2013-2015 model year Chevrolet Express, Chevrolet Silverado HD, GMC Savana, GMC Sierra HD, and 2014-2015 model year Chevrolet Cruze vehicles that are equipped with a diesel engine (RPO LML/LGH/LUZ), a malfunction-indicator light (MIL) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (DEF) tank reservoir or increased DEF tank-heater resistance.
Special Coverage Adjustment
This special coverage covers the condition described above for a period of 10 years or 120,000 miles (193,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership.
For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after November 17, 2016, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to November 17, 2016, must be submitted to the Service Contract provider.
Correction
Dealers are to replace the DEF tank reservoir. The repairs will be made at no charge to the customer
