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Genuine Audi TT A3 Octavia Leon Golf Bora 1.8T Cruise Control 121Pole ECU Loom

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Genuine VW Parts


Genuine VW Cruise Control ECU Loom

Save Money on Fuel & Speeding Tickets by fitting a VW Cruise Control System.



MK4 Golf 1998-2006, Bora 1999-2006 [1J]

Leon 1999-2005, Toledo 1999-2004 [1M]

Octavia 1999-2005 [1U]

TT 1999-2005 [8N], A3 1997-2003 [8L]

Suitable for 1.8T Petrol Engines
with Engine Codes AJQ, APP, APX, ARZ, ARY, ATN, AUM, AUQ, AUS, AZD, AZH, AZJ, BAM, BCB & 1.6 16v (BFQ) Engine


Description: Genuine VW 121Pole ECU to Bulkhead Loom

Complete Cruise Kit available on eBay item: 360619678258
to Bulkhead Loom available on eBay item: 360413255627

VW Part #:

1J0 971 425 C



Instructions in English available (.pdf)

Photographic Fitting Guide available


Please note: Whilst the Cruise Control System will work with most VAG cars, we can only confirm that it will work on cars with EPC / Drive-by-Wire throttle's & the ECU may need activating.

ECU Activation is a 5 minute job & can be done with VAG-COM or VW diagnostic tool VAS 5051/5052 with a VW Dealer / Specialist in your area.

See our eBay Shop for this service


How to check your vehicle has 'Drive By Wire'

(Petrol Engines)

When you switch on the Ignition, The EPC Light will be shown

EPC (Electronic Pedal Control)





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