TSB 13-08-116-001K — Cadillac and Chevrolet Service bulletin

13-08-116-001K is a service bulletin on file with NHTSA for 9 Cadillac and Chevrolet models, 2013–2015 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
9Vehicles named
3Model years

Vehicles and model years 13-08-116-001K names

VehicleModel years
Cadillac CTS 2013
Chevrolet Camaro 2013, 2014
Chevrolet Colorado 2013, 2014
Chevrolet Corvette 2013, 2014
Chevrolet Cruze 2013, 2014
Chevrolet Malibu 2013, 2014
Chevrolet Sonic 2013, 2014
Chevrolet Trailblazer 2014
Chevrolet Volt 2013, 2014, 2015

Every document filed under 13-08-116-001K

Document IDFiledType
13-08-116-001K March 31, 2025 Service bulletin

What 13-08-116-001K covers

Electrical — the component vocabulary NHTSA files this communication under.

← All Cadillac CTS TSB years TSB lookup by model

Questions buyers ask

What is TSB 13-08-116-001K?

13-08-116-001K is a service bulletin filed with NHTSA by Cadillac and Chevrolet, covering 9 Cadillac and Chevrolet models across the 2013–2015 model years. NHTSA's summary reads: The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

Which vehicles does 13-08-116-001K cover?

NHTSA's file names Cadillac CTS (2013); Chevrolet Camaro (2013–2014); Chevrolet Colorado (2013–2014); Chevrolet Corvette (2013–2014); Chevrolet Cruze (2013–2014); Chevrolet Malibu (2013–2014); Chevrolet Sonic (2013–2014); Chevrolet Trailblazer (2014); Chevrolet Volt (2013–2015). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 13-08-116-001K a recall, and is the repair free?

No. 13-08-116-001K is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of 13-08-116-001K?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 13-08-116-001K, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 13-08-116-001K. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.