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Service bulletins for the 2016 GMC Savana

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1277 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIT5410A2018-12-17. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicle that will not change Heater-Vent-Air Conditioning modes, Defrost or RECIRC positions. Technician will need to gain access to the vacuum lines from Heater-Vent-Air Conditioning control and inspect for a pinch or a open in the line. Technician will repair the line for this concern.
PIP5373B2018-08-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides the technician with steps on how to program an Engine Control Module when getting a Service Programming System error code E4491 or E4423. In some cases Techline Customer Support Center may need to be contacted to resolve the issue.
PIT5399A2018-06-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
150603002K2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150603001D2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
060089026N2018-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); VISIBILITY:WINDSHIELD; ELECTRONIC STABILITY CONTROL (ESC). This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
150603002J2018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150603002I2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on approved warranty part numbers for original equipment batteries
150603001C2018-06-04. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
070604019F2018-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
17NA1422018-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides information on Wireless Charging Module Diagnosis and cell phone compatibility.
09-00-89-002L2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
14-06-04-003A2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM. This informational bulletin provides technicians with information on identifying non-GM ECM Calibration use and Power-Up hardware detection in Duramax® Diesel Engines using GDS 2.
99-01-39-004G2018-05-21. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. This technical bulletin provides repair information for the correction of a customer concern of short duration musty odors emitted from the HVAC system at vehicle start-up in hot, humid conditions.
03-06-03-003E2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides policy information on ACDelco® replacement battery warranty procedures.
17-NA-0672018-05-21. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on On rare occasions, a security code input message with SPS error code E5659, M5304, and/or M5530 may be displayed in TIS2web when the technician is programming any module. If this concern is encountered, the technician should start by ensuring that the module being programmed is not a used module and that the VIN matches on VIN plate, TIS2web programming screen, and GDS2 module identification information screen.
16-NA-3852018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Technical bulletin provides information for reprogramming the HVAC system control module due to the air conditioning not blowing cold because of software anomaly.
03-06-03-004N2018-05-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ELECTRICAL SYSTEM. This informational bulletin provides information to dealership personnel regarding warranty codes generated by EL-50313 Midtronics GR8 Battery Tester/Charger required for claim processing on labor operations 4041510, 4041520 and 250 mile/400 km labor operation restriction (North America ONLY).
16-NA-3462018-05-21. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY; ENGINE. This technical bulletin provides repair information to correct a customer concern of no crank / no start.
1208132001E2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin explains to the dealer how to cover a possible customers mistake when a fuse has been blown.
18NA1022018-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to repair a possible wiring harness repair if damaged by the parking bark, brake booster mount or brake pedal bolt.
PIT5058D2018-05-21. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This Preliminary Information communication provides information to the technician about the operation and diagnostics of the Regular Production Option Code UJ1 brake warning pressure warning system. The technician can test the operation of the brake warning system. If the warning system does not function correctly, technician will need to inspect circuit 33 for a short to ground between X141 and the Instrument Panel Cluster terminal 14. Then inspect check circuit 33 for an open between X141 and the Instrument Panel Cluster terminal 14. Also technician should check male side of X141 circuit 33 with an ohm meter to ground and should be close to 0 ohms with engine off and key on. Start engine and circuit should go (OL) indicating that the flow switch opened. Then, turn the steering to the stop in pressure relief and verify that the circuit stays (OL) to check the operation of the pressure switch.
PIE0431C2018-05-21. Service bulletin. ELECTRICAL SYSTEM. This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of the window switch inoperative or intermittent.
17NA2152018-05-21. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar® Module Functionality After OnStar Module Replacement for Another Condition.
17NA2142018-05-21. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; STRUCTURE:FRAME AND MEMBERS. This technical bulletin provides repair information to correct customer concerns of OnStar, XM, GPS or antenna malfunction ? may set DTC B2462, B2470 or B125C - and/or water leak on headliner at sun visor or overhead console areas, possible battery drain concern.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.