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Service bulletin PI1250C

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10112268
Published by NHTSA2017-08-15
Manufacturer's numberPI1250C
Manufacturer's date2016-01-13
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL

NHTSA's summary

This preliminary informational bulletin provides information on the advanced diagnostic alerts that are sent via onstar, they inform of DTC and indicator lamps that are set within the vehicles.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Instrument cluster

Vehicles listed
CADILLAC ESCALADE2016
CADILLAC ESCALADE ESV2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE2016
CHEVROLET EQUINOX2015, 2016
CHEVROLET SILVERADO2016
CHEVROLET SUBURBAN2016
CHEVROLET TAHOE2016
GMC SIERRA2016
GMC TERRAIN2015, 2016
GMC YUKON2016
GMC YUKON XL2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
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PIT5195B2023-12-11. Service bulletin. Speedometer Needle Accuracy Information.
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15NA0702023-12-11. Service bulletin. Gauges on Cluster are Inoperative Upon Start Up
07-08-49-020R2023-10-18. Service bulletin. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
PIC64642022-08-15. Service bulletin. This Preliminary Information is to assist dealership technicians in diagnosing a complaint related to the variable red line feature surrounding the tachometer gauge.
PIT5195G2022-06-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
PIE03492021-04-26. Service bulletin. Engineering Information – Service 4WD Message Displayed and DTC C0398 Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Some customers may comment on a “Service 4WD” message displayed. During diagnosis a technician may find DTC C0398 (Range Actuator Position – Range Position Correlation). Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be used to "root cause" the customer's concern and develop/validate a field fix.
07-08-49-020J2021-04-20. Service bulletin. IPC Odometer Programming Method Quick Reference Guide Season Odometer Programming Methods in Use Today 1. IPC reprogramming and setup using the service programming system (SPS). 2. Odometer setup at the electronic service center (ESC) when using an exchange IPC/DIC. 3. Tech 2® – The Tech 2 is used to set up a replacement BCM, which includes loading the odometer value that is displayed and stored in the IPC. A replacement IPC will display the previously stored vehicle odometer value, communicated from the BCM, after cycling the ignition or driving the vehicle. *The odometer programming is integrated as part of the BCM programming procedure. It is not a stand-alone event.
070849020M2021-04-16. Service bulletin. IPC Odometer Programming Method Quick Reference Guide