Jaguar X-TypeX400 · 2001-2009 · all engines; cars with and without the boot CD changer
jagaux.com

Jaguar X-Type AUX Input, iPod Module Silent or Freezing

The X-Type radio has no AUX socket; the factory answer is a dealer module that poses as a CD changer. If that module is fitted and silent, I'd check three things before blaming it: the fibre loop in cars without a changer, the car's setup, and a selector switch that needs the engine off for several minutes.

3likely causes

How bad is it · Safe to drive

Safe to drive — no effect on the car

Nothing here is urgent. The main risk is buying a second module when the first was never set up.

Jagaux Doctor · typical causes and checks — not a diagnosis of any one car jagaux.com/doctor/cases/x-type/aux-input-ipod-module/

Get a diagnosis for your X-Type

This page covers the usual causes. The Doctor works on your car: describe what it does and what has already been replaced, and it narrows these down to your symptoms, model year and fuse layout — which check to do first, and what not to buy yet.

This page lists the usual causes — it is not a diagnosis of your car.

Which one applies to yours depends on your symptoms, your model year and what has already been done to it.

01

Likely causes, most common first

Read the check cost before the odds: a free check that rules a cause out beats a likely guess that costs money.

1

No fibre loop, or not enabled in the car's setup

The module joins the audio through the CD changer connection, which is fibre-optic. In a car that never had a changer, the fibre ring must be closed with a jumper, and the car told a changer is present.

How to tell

No boot CD changer. The module was just fitted and the radio doesn't offer it, or offers it and plays nothing.

How to check

Make sure the kit's fibre jumper was actually fitted. Have a dealer enable the CD changer output in the car configuration — for example, about $30.

The fix

Fit the fibre loop — it comes in the kit, but a dealer fitting can leave it out. Then have the changer source switched on if the radio still doesn't offer it. Done right, the playlists come under steering-wheel control.

likely a fibre jumper and a short dealer session
2

There's no AUX input to begin with

The factory radio has no analogue input, and the changer port carries light, not sound — no cable can tap it. Late cars may already have the module's connector in the centre console.

How to tell

No AUX button that does anything, and nothing in the console armrest.

How to check

Look in the centre console for a module connector before buying anything.

The fix

The dealer module (C2S44674 — for example about £225 plus VAT in the UK), or a Bluetooth or streaming kit into the car audio. An FM transmitter is the cheapest route but prone to interference: tune it to an empty frequency first, let the radio search onto it and save that as a preset, and charge the player separately. A cassette adaptor works but tends to lose a channel within months.

plausible module or adapter
3

The module freezes: selector, reset or a bad batch

The module has a CDC/ACM selector, read only after the car's electronics have gone to sleep. Some modules from a run of production weeks were faulty. A module from that run can also reset itself about every five minutes.

How to tell

The iPod shows the Jaguar logo and locks up; iPod and changer controls hang; the line-in is silent.

How to check

Selector to ACM, engine off for at least five minutes. Reset the module through the small hole in its connection box, and update the iPod's software. Still freezing or cutting out? Have the dealer check the module's batch and build date; the later part, C2S46365, replaced the early C2S44674.

Worth checking

Worth trying: the switch, the wait and the reset, or an iPod software update. A module from the faulty batch has to be replaced.

plausible free to a replacement module
+

Our product · Jagaux

Jagaux Bluetooth adapter for the XJ8, X-Type and S-Type

Bluetooth music on the factory audio system, without a new head unit. Check which system you have: press Mode on the radio — a 'Sub' setting means Premium Alpine.

Fits

later S-Type, X-Type and X350 XJ, Standard or Premium Alpine audio

See it in the shop
02

The order to check them in

The point of the order is money: each step either rules a cause out or makes the next one worth doing. Green is free, amber costs a little, red is the one to arrive at last.

1

Check the console first

Late X-Types may have the module connector already. If a module is fitted, find its selector switch.

free
2

Switch to ACM and let the car sleep

Engine off, doors shut, at least five minutes. Then try again.

free
3

Reset the module

Through the small hole in its connection box. Update the iPod software too.

free
4

No changer in the car? Check the fibre loop

The kit's jumper must close the ring where the changer would be.

free
5

Dealer: enable the changer output

The car has to be told a changer is present. Ask for the module's build date at the same time.

about $30
04

What it usually isn't

Don't spend money here first:

A faulty module, when the screen shows only CD1 to CD6 — that's how it presents iPod playlists.
A hidden AUX socket behind the radio — the changer port is optical.
A dead module straight after fitting — check the fibre loop, setup and selector wait first.

None of these sound like your X-Type?

Describe what yours does and what has already been replaced. The Doctor works through the same cases against your symptoms and model year, and tells you which check to do first.

05

On jagaux.com

Ratings, fuse numbers and torque figures vary by model year and market. Read the legend on your own car before pulling anything, and use the figures in the manual for your car, not the ones in a video.

06

More Jaguar X-Type faults

The same fault on other Jaguars:

aux-input-ipod-module

Check your VIN: exactly which car you have and which bulletins apply to it.

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