Audi TT MK2 Engine Control Unit ECU 8J0907115BC - Used Original Parts
RM 1,200
Condition: Used (Original)At a Glance
- Audi TT MK2 Engine Control Unit ECU 8J0907115BC - Used Original Parts
- Part number: 8J0 / 907 / 115 / BC / 8P0 / 907 / 115 / Q / 0 / 261 / S07 / 106 / 1039S53844 / 1410 / 1076
- Fits: Audi TT MK2 · confirm by chassis number before ordering
- Used Original · tested working
- RM 1,200 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
A failing or mismatched Engine Control Unit on the Audi TT MK2 (8J chassis) typically triggers a hard no-start or crank-no-start condition, as the ECU fails to communicate with the immobilizer/CAN gateway. Common fault codes logged include U-codes for "Lost Communication with ECM/PCM" (U0100, U0101) and internal ECU faults such as P0606 (Control Module Processor Fault) or P0601 (Internal Control Module Memory Checksum Error). Drivers often report the check engine light staying illuminated after a battery disconnect, erratic idle, failure to pass emissions readiness, or the dash cluster failing to recognize the key entirely. In severe cases, corrosion on the ECU pins from water ingress (common in the 8J's plenum chamber area) causes intermittent stalling, loss of power steering assist signals, or a complete failure to crank despite a healthy starter and battery.
Introduction
This is a Genuine Used Audi TT MK2 Engine Control Unit, part number 8J0907115BC, removed from a running donor vehicle and bench-Tested to confirm full operational status before listing. As an authentic Audi component—not an aftermarket clone—it guarantees correct pin mapping, connector fitment, and software architecture for the 2.0 TFSI/TDI platform it was designed for. Every unit undergoes physical inspection for pin corrosion, board damage, and moisture ingress prior to sale. Buying Genuine Used remains the most reliable route for TT MK2 owners in Malaysia, since new units are typically special-order and carry a six-to-eight week wait with steep dealer pricing.
Product Details
- Brand: Audi
- Model Compatibility: Audi TT MK2 (8J), 2006-2014
- Part Name: Engine Control Unit (ECU)
- Part Number: 8J0907115BC
- Condition: Genuine Used (Tested Working)
- Notes: This ECU is engine-code and immobilizer-matched to the donor vehicle at removal. Buyer must confirm the last 6 digits of the part number and engine code match their vehicle before purchase, as immobilizer coupling (via VCDS/ODIS) is required by an authorized workshop after installation to marry the ECU to the vehicle's key and gateway module.
Frequently Asked Questions
Will the 8J0907115BC ECU need coding after installation on my Audi TT MK2?
Yes. Even though this unit is genuine and tested, the immobilizer component inside the ECU must be re-matched to your vehicle's key and CAN gateway using VCDS or ODIS at an authorized workshop. Without this coupling procedure, the car will crank but not start.
How do I confirm this ECU is compatible with my specific Audi TT MK2?
Match the full part number 8J0907115BC printed on the ECU casing against your vehicle's original unit, and confirm the engine code (for example, CDAA, CAWB) matches exactly. Even minor suffix differences can indicate a different engine variant or emissions calibration.
Why choose a used 8J0907115BC ECU instead of a new replacement?
A new Audi ECU for the TT MK2 is often a special-order dealer part with a long lead time and premium pricing. A genuine used unit, pulled from a low-mileage donor and bench-tested, offers proven reliability at a fraction of the cost, since ECUs rarely wear out mechanically and typically fail only due to moisture or electrical surges.
What symptoms indicate my current TT MK2 ECU is failing before full failure?
Watch for intermittent stalling, illuminated check engine light with U0100/U0101 communication codes, inconsistent idle, or the immobilizer failing to recognize the key on cold starts. These often precede a complete no-start condition caused by internal processor or corrosion faults.
Are there any installation gotchas specific to the 8J907115BC ECU location?
The ECU sits in the plenum chamber near the windshield base, an area prone to water pooling if the drain channels are clogged. Before installation, clear any debris from the plenum drains to prevent the same moisture damage that likely affected the original unit.
Part price does not include installation. Our workshop can install for you, labour is charged separately and confirmed with you before any work starts.
We cannot diagnose your car over WhatsApp or photos. Not sure this part will solve your problem? Come for a workshop check, diagnosis fee RM180. If you proceed with the repair using our parts, the RM180 is offset into the labour charge. If you decide not to repair, only the RM180 applies.
All parts are tested and guaranteed to work. Whether a part solves your car's problem can only be confirmed by diagnosis.
Shipping: from Kuala Lumpur, West Malaysia ~RM50, East Malaysia ~RM80 (estimate, confirm via WhatsApp). Delivery 1-2 working days in secure anti-static packaging.
Warranty: 30-day exchange for control units, engines, gearboxes and other major parts; 14 days for small parts. Claims require proof of installation by a qualified workshop. No warranty for items opened, modified, or damaged by wrong installation.
Prices vary with stock and part condition. Final price via WhatsApp.
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