Cadillac BTA-CTS Music Streaming Module Installation Guide

Connect the black 8-pin ISO plug from the harness to the radio
chamber.
Route and connect accessory wire to the ignition harness under
the steering column.

If XM subscription is active, skip to the next step. If
expired, drill a hole in the dash to push audio jack shaft
through.
Optional: Install a USB extension cable by plugging it into the
USB port on the module.

Snap header to the surface until flush.

Pairing:

Turn ignition and radio ON.

Enable Bluetooth on your device and search for Bluetooth
devices.
Select “DisCarSt” from the list of available Bluetooth devices
on your device.

Confirmation tone will be heard on car speakers.
The unit will automatically enter the BT Audio source for
use.

FAQ:

Q: Do I need a subscription for the XM tuner module to
work?

A: No, the XM tuner module can work with or without a
subscription.

Q: Is the USB extension cable necessary for operation?

A: The USB extension cable is optional and not required for
basic operation. It is mainly used for extending the USB charging
port to different locations.

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Courtesy of: DiscountCarStereo.com Serving the internet community since 1995
created August 16, 2024 revised: December 16, 2024

PRODUCT SAFETY & DISCLAIMER READ ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING, FAILURE TO DO SO MAY CAUSE PERSONAL INJURY OR DAMAGE TO PRODUCT AND/OR PROPERTY
· This installation guide is provided as a GENERAL installation guide, some vehicles vary and may require additional steps. We do not accept responsibility for third party labor charges or modifications. Exercise due-diligence when installing this product.
· We do not accept any responsibility for vehicle damage or personal injury resulting from the installation of this product.
· Careless installation and operation can result in equipment damage.
Requirements:
XM tuner module (U2K) with or without subscription
Introduction
Your 1st generation Cadillac CTS or SRX still drives great but lack ability to stream music and other application. Our new and improved BTA-CTS (formerly A2DCTS) music streaming module allows these vehicles owners to stream music applications from Smartphone, Tablet, Kindle etc. through the factory radios XM port. For the BTA-CTS module to work, the compatible vehicle must have an XM tuner module (expired or active subscription). Alert: If XM subscription has expired and will not be re-activated; select “Expired”- (An AUX input jack is provided to which users may connect and play portable audio devices such as MP3, Satellite radio kits, iPods etc.) If XM subscription has expired and will be re-activated in the future; select “Subscribed” otherwise XM will not play upon activation. If XM subscription is active, select “Subscribed” and the service remains uninterrupted. A wireless connection means no wires, clutter or complicated setup. See Frequently Asked question at the end of this guide for details.
Installation- to headunit
Radio removal required to gain access to the connectors.
1. Using a panel removal tool, unclip and remove the top A/C vents panel (See Fig. 1)

Fig. 1 2. Open ash tray and remove tray. Extract (1) 9/32″ (7mm) screw in tray
cavity. 3. Using a panel removal tool, unclip and remove A/C Control/ash tray
assembly below radio (See Fig. 2)
Fig. 2 4. Remove (4) 10mm bolts securing radio to the dash (See Fig. 3)
Fig. 3

5. Pull radio forward and locate 8-pin gray plug (See Fig. 4)

9. Connect 16-pin plug from harness (See Fig. 7) to 16-pin socket on module (See Fig. 8)

Fig. 4
Fig, 7 6. Press gray plug release tab to disconnect from radio (See Fig. 4) 7. Connect gray plug to 8-pin ISO connector (black) on harness (See Fig.
5).

Fig. 5
8. Connect black 8-pin ISO plug (See Fig. 6) from harness to radio chamber vacated in step 6

Fig. 8
10. Route and connect accessory wire (See Fig. 8a) to ignition harness under steering column inside driver’s lower-dash kick panel. Panel is supported by three screws at the bottom and three metal/plastic clips at the top. Tap the harness accessory wire to brown wire on ignition harness or locate alternate 12V accessory supply to complete the connection.

Fig. 8a Fig. 6

11. If XM subscription is active, skip next step. 12. If XM subscription has expired: Drill a 15/64″ or 1/4″ hole in dash or
panel, push audio jack shaft (See Fig. 9) through and secure with nut (See Fig. 10) or leave freestanding–your choice!

Optional USB extension cable installation
Notes: 1. Optional 6 ft. dash mount USB extension cable (Fig. 12) is not required for operation; however, it extends USB charging port (See Fig. 13) to dashboard, glovebox etc. or connect your own USB charging cable.
2. The USB port supports software updates and charging only
1. Drill a ¾” hole to dash or panel using a step drill bit or equivalent (See Fig. 11) As an alternate, use the included bracket (See Fig. 16) to mount USB without drilling.

Fig. 9
Fig. 11 2. Fish USB cable terminal (See Fig. 12) through hole created in step 1 and plug
into USB port on module (See Fig. 13)

Fig. 10
Warning: Jack may be left freestanding, but if mounted; ensure panel is less than 4mm thick otherwise the AUX shaft may not protrude enough to engage with nut. If necessary, use dremel, sander etc. to thin panel or choose alternate mounting location.
13. Secure module and proceed to next step

Fig. 12

Fig. 13 3. Snap header (See Fig. 14) to surface until flush (See Fig.15)

Fig. 14 Fig. 15 Fig. 16

Pairing
Pairing varies among devices but basic steps are the same. This process is done upon initial install and will not have to be repeated
1. Turn ignition and radio “ON” 2. From your Bluetooth enabled device, turn the Bluetooth ON and search
for Bluetooth devices. 3. When a list of available Bluetooth devices appears on your Bluetooth
device, select “DisCarSt” (See Fig. 17) 4. Confirmation “tone” is heard on car speakers. 5. The unit will automatically enter the BT Audio source and you can now
start streaming audio from your Bluetooth enabled device. Note: If the mobile phone doesn’t support SSP (Simple Secure Pairing) Profile, please enter the pass code of “0000”
Fig. 17
Note: These steps are generally a one-time process as your Bluetooth device should connect automatically every time vehicle ignition is turned on.

Operation
1. Turn ignition and radio “ON” 2. Press “BAND” or “XM” softkey until XM1 or XM2 is displayed 3. Launch audio device streaming application. 4. Set audio device volume to 80%– adjust as needed based on playback
quality (reduce if distorted). 5. Use radio volume button to set playback level. 6. Use wireless remote buttons or device built-in controls to change
tracks, adjust device volume, pause etc. (See Fig. 18) 7. To listen to XM (if subscribed) or AUX device (if not subscribed), tap
Pause/Play on remote control. 8. To switch back to streaming, tap Pause/Play button on remote control
or pause streaming on smart device.

Frequent ask questions & troubleshooting
1. Will the BTA-CTS work in vehicles with Navigation? YES; Works with CTS Navigation radios. NOT for SRX Navigation radios
2. My XM subscription has expired; will the BTA-CTS work? YES; as long as XM tuner remains in vehicle. Note: If XM has expired but plan to renew at a future date; select “Subscribed” otherwise XM will not play upon activation.
3. My XM subscription is active; will the BTA-CTS work? YES; XM subscription remains active. (Select “Subscribed” from dropdown)
4. How do I insert or change battery in the remote-control? Insert CR2025 battery to holder with label side up or as seen in Fig. 19

Fig. 18
9. To increase/decrease volume, tap (don’t hold) +/- buttons 10. If correct operation is confirmed go ahead and reinstall radio.
Alert: If XM subscription has expired but plan to renew at a future date; purchase “Subscribed” otherwise XM will not play upon activation.

Fig. 19
5. I don’t know if my vehicle has the required XM tuner module. How can I find out without ripping the car apart? Turn radio “ON”, press “BAND” or “XM” button repeatedly to cycle through AM/FM/XM1/XM2. If only AM/FM is displayed, your vehicle does not have the required XM module and sadly, the BTA-CTS will not work.
6. Do I need to check wiring on 8-pin gray plug prior to ordering for my 2004-05 CTS? YES, we highly recommend it. Sometime between 2004-05 Cadillac changed wiring on the 8-pin (gray) plug but did not publish VIN number range. For more specifics. go to question #9
7. Can I use the BTA-CTS for hands-free calls? NO; The BTA-CTS supports streaming only via Bluetooth. For hands-free calls purchase our BTH-CTS
8. How do I know if vehicle has a BOSE system? Bose system includes a speaker in the center of the dash and a purple wire on pin 2 on gray 8-pin plug (see Fig. 20)

9. Sometime after 2004; Cadillac made a slight change to the XM tuner wiring in the CTS radio. This change affects late 2004 production dates. If you own a 2004-05 CTS, we highly recommend checking the radio gray plug (Fig. 19/20) to determine how we should properly wire your module otherwise playback will be limited to one side (mono). Here is how to check: Remove radio (Go to page 2 for help), locate gray plug. The TAN/WHITE wire location determines which year must be selected when checking out (shopping cart): PIN 4 = TAN/WHITE (See Fig. 19) you must select 2003-04 PIN 3= TAN/WHITE (See Fig. 20) you must select 2005-07
Fig. 19
Fig. 20 Applicable to CTS: Failure to select year-based on TAN/WHITE wire location will result in audio playback limited to one side
Disclaimer · This product has no affiliation with GM · We’re not liable for misuse of this product. ·We recommend professional installation For help, please email support@discountcarstereo.com © 1995-Dec-24 Discount Car Stereo, Inc. All rights reserved. Information in this document is subject to change without notice. Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.

Documents / Resources

Cadillac BTA-CTS Music Streaming Module [pdf] Installation Guide
BTA-CTS, BTA-CTS Music Streaming Module, BTA-CTS, Music Streaming Module, Streaming Module, Module

References

User Manual

Cadillac BTA-CTS Music Streaming Module Installation Guide

BTA-CTS Music Streaming Module

Product Information

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