Matthew Calderon

In Bose-equipped vehicles, all audio components are connected in a loop. If an audio component is missing, you will not have sound. For this reason, the RP5-GM51 / GM6A-RST provides jumpers to remo...

If the climate control buttons work but not exactly right, the factory climate components may be out of sync. Follow these steps to re-sync the components.Applicable part numbers: RPK4-HD1101 Reins...

If you hear music from all speakers except when faded to the front, the AP4-CH41 interface wasn’t programmed, or the programming failed. Follow these steps to program it. RequirementsFor the AP4-CH...

When using the RP4.2-TY11 in a factory amplified sound system, it is designed to maintain the fader by sensing the audio level difference between the front and rear speakers. If the audio signals a...

If the Voice button on the steering wheel doesn’t enable Google Assistant or Siri, follow these steps for troubleshooting. Inspect the LED light on the PAC RP4-FD11 “blue box” interface. Does it fl...

If you install this kit and it stays forever stuck in the SWC programming during setup, you will need to loosen the screws on the back of the kit to relieve some pressure from the button membrane. ...

Many newer Chrysler, Jeep, and RAM vehicles have an Active Noise Canceling (ANC) module. When installing aftermarket amplifiers, the ANC module must be bypassed to ensure proper audio performance a...

This update file fixes issues seen with reverse sensor chimes not working on the RP4.2-BM21.INSTALLATION INSTRUCTIONS If this is the first time using the RadioPRO PC Application, download and insta...

 SymptomsSymptoms may include the interface not turning on, the factory radio not turning on (AP4-CH41 only), no audio, or intermittent audio on one or more channels.CausePins pulling out of the JS...