Loading...

NHTSA ID Number: 11021406

Manufacturer Communication Number: PS793

TSB/Document Date: 2025-08-05


Summary

This Pitstop provides information regarding an inoperative sunroof switch on 2020–2025MY Telluride (ON) vehicles. When diagnosing a vehicle for this condition, check that connectors R02 and R03 are connected in the correct cavities. If these connectors were previously interchanged unintentionally, the sunroof switch will not operate.


GROUP

MODEL

Electrical

2020-2025MY
Telluride (ON)

NUMBER

DATE

PS793

July 2025

INOPERATIVE SUNROOF SWITCH

SUBJECT:

This Pitstop provides information regarding an inoperative sunroof switch on 2020–2025MY Telluride (ON)
vehicles. When diagnosing a vehicle for this condition, check that connectors R02 and R03 are connected
in the correct cavities. If these connectors were previously interchanged unintentionally, the sunroof switch
will not operate. Refer to the images below to properly identify these connectors and locations.
R02 Sunroof Switch Connector View

Terminal
1

Wire

Circuit

Color
BLACK

Ground (GM02)
Front Sunroof Switch (Open): Front

2

ORANGE

Sunroof

Controller

Open

Switch

(Signal A)
Front Sunroof Switch (Close): Front
3

GRAY

Sunroof

Controller

Close

Switch

(Signal B)
Front Sunroof Switch (Tilt): Front
4

BROWN

Sunroof Controller Tilt Switch (Signal
C)

5

BLUE
BLACK

Rear Sunroof Switch (Open): Rear
Sunroof Controller (Signal A)
Rear Sunroof Switch (Close): Rear

6

WHITE

Sunroof

Controller

Close

Switch

(Signal B)

 NOTICE
A Pitstop provides information which may help guide technicians address a concern on the subject
vehicle described in this publication. A Pitstop is an informational guide/tool without customer
notification. Technicians are to review the information provided in this Pitstop for the applicable
vehicle and if applicable, use it for diagnostic purposes only. Dealers are required to validate
Warranty Coverage in KDealer+ Warranty Coverage Inquiry before conducting any diagnosis/repair
procedure.
Printed TSB copy is for reference only; information may be updated at any time. Always refer to KGIS for the latest information.

Page 1 of 1

1

SaleBestseller No. 1
Seamaka 1008PCS 63 Sets Waterproof Automotive Wire Connectors Kit 1/2/3/4/5/6 Pin Automotive Replacement Electrical Accessories Plug Connectors Kit Male and Female Connector with Ratchet Crimping Tool
  • The package includes: (1008 pieces /63 sets, including...
  • Product material: the connector is made of high-strength...
  • Performance: Easy installation under welding and crimping...
  • Convenient installation: the buckle design ensures that the...
  • Widely used: suitable for motorcycles, trucks, ships...
Bestseller No. 2
Twippo 800Pcs 50 Sets Waterproof Automotive Electrical Wire Connectors Plug Kit 1/2/3/4/5/6 Pin Waterproof Connectors with Ratchet Crimping Tool
  • 【Package Content】(800Pcs/50Sets, 1 pin-10sets...
  • 【High Quality of Automotive Connector】Automotive...
  • 【Excellent Performance of Electrical Connectors】The...
  • 【Crimping Pliers with Ratchet Function】This wire crimper...
  • 【Electronic Manual and Service Guarantee】Please download...

Last update on 2026-05-22 / Affiliate links / Images from Amazon Product Advertising API


 

If the PDF is very large, it may not load in the preview below.

Download PDF [235.13 KB]


Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.

If the TSB PDF does not show, download or view it on the NHTSA Website.

Click on the (+) Plus Sign

Then Click on Associated Document(s)


Search NHTSA Database for Recalls

View Latest Recalls


Search NHTSA Database for Vehicle Investigations

View Latest Vehicle Investigations


Search NHTSA Database for Vehicle Complaints

View Latest Vehicle Complaints


TSB/Document ID: PS793

Replacement Service Bulletin Number:

MFR Communication Date: 2025-08-01

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: ELECTRICAL SYSTEM

MFR Component System: ELE

MFR Component Subsystem:


Previous TSB

Next TSB



Bestseller No. 1
ANCEL X7HD PRO 10.1'' Heavy Duty Truck Scanner, Full-System Diesel Diagnostic Tool with DPF Regen, 42+ Reset, Bi-Directional and Active Test, ECU Coding, HDOBD/OBD2 Scanner for Diesel Trucks - Grey
  • 2026 ALL-IN-ONE HEAVY DUTY TRUCK SCANNER – BUILT FOR DIESEL DIAGNOSTICS:The ANCEL X7HD PRO combines full-system diagnostics, bi-directional control, ECU coding, HDOBD/OBD2 functions, and 42+ reset services in one powerful heavy duty truck scanner. This diesel scan tool helps technicians, fleet owners, and repair shops diagnose problems faster, reduce downtime, and complete more repairs without switching between multiple truck diagnostic tools. Features a 10.1" Android tablet, Bluetooth & Wi-Fi, live data graphing, and 2 years of f-ree updates
  • 42+ RESET FUNCTIONS – MORE THAN A BASIC TRUCK CODE READER:Perform essential service functions including forced DPF regeneration, injector coding, speed limiter adjustment, idle adjustment, oil reset, ABS reset, SRS reset, EPB reset, throttle reset, and suspension calibration. Designed for real truck maintenance and fleet service, this commercial truck diagnostic scanner helps reduce dealer visits, avoid unnecessary downtime, and handle more repair jobs with one diesel diagnostic tool
  • ACTIVE TEST & ECU CODING – ADVANCED BIDIRECTIONAL SCAN TOOL FOR TRUCKS:Quickly locate faults by activating components and sending commands directly to vehicle systems. Test injectors, ABS, throttle, cooling systems, and other modules in real time without unnecessary disassembly. ECU coding and module matching help adapt replacement parts, restore factory settings, and reduce repeat repairs, making this semi truck scan tool ideal for advanced troubleshooting and daily shop work
  • FULL-SYSTEM HDOBD/OBD2 DIAGNOSTICS – WIDE TRUCK & ENGINE COVERAGE:Read and clear codes, monitor live data, freeze frame, and diagnose engine, transmission, ABS, body, and other major systems. Compatible with FreightlinereBay logo, KenwortheBay logo, PeterbilteBay logo, VolvoeBay logo, MackeBay logo, InternationaleBay logo, and other commercial truck brands, plus CumminseBay logo, CaterpillareBay logo, Detroit, PaccareBay logo, and NavistareBay logo diesel engines. Also supports full OBD2/EOBD diagnostics for standard vehicles, making it a versatile truck obd2 scanner for mixed fleets and repair shops
  • PROFESSIONAL HARDWARE + RELIABLE SUPPORT – BUILT FOR DAILY SHOP USE:This professional diesel diagnostic computer features a 10.1" touchscreen, Android 10.0 system, 6000mAh battery, Bluetooth/Wi-Fi connectivity, and built-in front & rear cameras for documenting repairs and remote troubleshooting. Includes 2 years of fr-ee updates, 1-year w-arranty, and responsive technical support. Contact [email protected] before purchase to confirm compatibility and supported functions for your truck or diesel engine
SaleBestseller No. 2
ANCEL New HD601 Heavy Duty Truck Scanner, Diesel Full System Diagnostic Scan Tool Fits for Cummins, Detroit, Volvo, Paccar & Caterpillar, 2 in 1 HDOBD & OBD2 Code Reader for Commercial Vehicles & Cars
  • 【Built for Heavy Duty Diesel Diagnostics】Designed for SAE J1939 and J1708 compliant trucks, buses, and diesel-powered commercial vehicles. HD601 truck scanner diagnostic tool helps owner-operators, small fleets, mobile technicians, and independent repair shops quickly identify fault codes, view live data, and make informed repair decisions—saving time, reducing downtime, and avoiding unnecessary shop visits
  • 【Full System Diagnostics+All HD OBD Modes】The New HD601 heavy duty truck scanner delivers full-system diagnostics on SAE J1939 and J1708-compliant commercial vehicles—digging into engine, transmission, ABS, fuel, every system that keeps your rig rolling. It supports all HD OBD modes, giving you live data, freeze frame, ECU info, vehicle info, emissions data tracking, plus code reading and clearing. Not just what broke, but why—so you fix it right the first time. Pinpoint issues faster, cut repair costs, and spend less time on the shoulder
  • 【Wide Heavy-Duty Vehicle Coverage】Supports a wide range of heavy-duty vehicle manufacturers and systems, including FreightlinereBay logo, KenwortheBay logo, PeterbilteBay logo, VolvoeBay logo, InternationaleBay logo, Detroit, CumminseBay logo, PaccareBay logo, Allison, EatoneBay logo, BendixeBay logo, Wabco, and more. Coverage varies by vehicle make, model, year, and system configuration. Contact our support team before purchase if compatibility verification is needed
  • 【Speaks Major Truck Protocol】The New HD601 diesel truck scanner is built for American-made trucks—and supports the heavy‑duty protocols you' re most likely to run into on the road: SAE J1939, J1708/J1587, ISO 15765‑4, ISO 14230‑4, ISO 9141‑2, J1850 PWM/VPW, ISO 27145‑4, and EURO‑6. For most trucks, model years, and systems, it speaks the language your vehicle understands. Just plug it in and start diagnosing—no guesswork, no gatekeeping. Note: vehicle functions and module availability may vary by manufacturer and model year
  • 【Save Hundreds on Diagnostic Fees】Why pay $150–300 for someone to read your codes? With the New ANCEL heavy duty truck scanner, you can pull fault codes yourself—in minutes, without leaving the truck. One or two uses pays for the tool. After that, every diagnostic is money back in your pocket. Smart investment for owner-operators, techs, and small fleets. Read and clear stored fault codes in minutes. Active fault codes may require repairs before they can be cleared
SaleBestseller No. 3
FOXWELL HD301 Heavy Duty Truck Scanner, Full System Diesel Scan Tool with 6/9/16 Pin, 2 in 1 Code Reader for Trucks & Car Engine, Diesel Diagnostic Tool for Cummins, Paccar, Caterpillar
  • 【One Tool, Total Fleet Coverage: 6/9/16 Pin Ready】Featuring an integrated 16-pin OBD2 connector and professional-grade 6-pin & 9-pin adapters, this heavy duty truck scanner provides extensive support for J1939, J1708, J1587, ISO 14230-4, ISO 15765-4 and ISO 9141-2, ISO 27145-4 protocols. It offers reliable diagnostic coverage for major American diesel brands—including CumminseBay logo, PaccareBay logo, CaterpillareBay logo, Detroit, and FreightlinereBay logo—making it a versatile semi truck scanner for managing any diverse fleet.
  • 【2 in 1 Diesel Code Reader & Advanced HD OBDII】Equipped with professional-grade diesel scanner capabilities, the HD301 features intuitive Read/Erase codes and turn off the "Check Engine" light. With the built-in DTC Lookup library, you can instantly access fault code definitions on-device without searching the internet. It also retrieves hundreds of essential live sensor data—such as coolant temperature, fuel pressure, and engine RPM—in a stable text format for precise and rapid troubleshooting. (Please note that the HD301 can not support DPF Regen.)
  • 【Full System Truck Diagnostic】The FOXWELL HD301 heavy duty scan tool is engineered to deeply access and scan all available electronic control modules specifically for truck, including Engine, Transmission, ABS, SRS, Chassis, and Body Control. This professional truck scanner diagnostic tool allows you to identify issues across the entire vehicle, ensuring your rig stays in peak condition for the long haul.
  • 【Versatile for most big Rigs: Commercial, Passenger & Beyond】Engineered for more than just trucks, this heavy duty scan tool offers extensive coverage for pickups, buses, trailers, and even marine vessels. From construction machinery (excavators, loaders) to agricultural equipment (tractors, harvesters), it provides a true all-in-one diagnostic solution.
  • 【Plug-and-Play & No Subscription】Designed for the road! No WiFi, no batteries, and no complex App setup required. Simply plug it into your vehicle’s diagnostic port to start scanning immediately. Enjoy lifetime free software updates to keep your HD301 diesel truck scanner current with the latest vehicle models and features—without any hidden subscription fees—While overcoming language barriers with support for Spanish and English.

Last update on 2026-06-12 / Affiliate links / Images from Amazon Product Advertising API


 

This product presentation was made with AAWP plugin.

Share to...