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Tiptronic Control Unit. Porsche 955 Cayenne 2003-04 - 95561802305
95561802305
Vehicle Group
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
Information
Tiptronic Control Unit.
Restore proper centre differential/transfer-case lock control in your Porsche Cayenne 955 chassis, 2003-2004. This ECU module governs the longitudinal lock mechanism of the drive system, ensuring correct power distribution front to rear, correct 4WD behaviour and stable traction. Ideal for replacing a failed or malfunctioning unit, it enables your 4WD system to perform reliably.
Fits:
G0R - Tiptronic S
Diagram Ref No 8
What This Product Does:
Symptoms Of Failure Or Need For Replacement:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561802305
The product you are viewing cross references to these numbers
Restore proper centre differential/transfer-case lock control in your Porsche Cayenne 955 chassis, 2003-2004. This ECU module governs the longitudinal lock mechanism of the drive system, ensuring correct power distribution front to rear, correct 4WD behaviour and stable traction. Ideal for replacing a failed or malfunctioning unit, it enables your 4WD system to perform reliably.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-04
- Porsche 955 Cayenne S 4.5L V8 2003-04
- Porsche 955 Cayenne Turbo 4.5L 2003-04
G0R - Tiptronic S
Diagram Ref No 8
What This Product Does:
- In 4WD/all-wheel-drive systems the “drive longitudinal lock” refers to locking mechanisms of the centre differential or transfer case — this ensures power is correctly distributed between front and rear axles.
- This ECU monitors and controls that locking system: it takes inputs (wheel speeds, differential states, driver commands) and commands the actuator (solenoids, clutches) in the transfer case or centre diff to engage or release the lock.
- Proper function ensures that the vehicle’s 4WD system behaves correctly (engaging or disengaging locks when required), which impacts traction, stability, driveability and sometimes road regulations (e.g., snow/ice mode).
- If this unit fails, the locking system can get stuck open or closed, produce fault codes, and affect driving behaviour (especially in low-traction or off-road situations).
Symptoms Of Failure Or Need For Replacement:
- A fault code related to the centre differential, transfer case, or “longitudinal lock” is present in the diagnostics.
- Loss of 4WD function or “lock” function — e.g., the vehicle stays in 2WD when it should lock, or it stays locked when it shouldn’t.
- Illumination of warning lamps related to drivetrain/4WD/traction.
- Unusual noises from the transfer case / centre diff (clutch slipping, grinding) that might be triggered by improper lock control.
- Intermittent behaviour (sometimes works, sometimes doesn’t) which can indicate ECU logic/actuator control failure rather than a purely mechanical fault.
Why Replacement Matters:
- Because the control unit is central to drivetrain behaviour, a fault here can drastically degrade vehicle performance, safety (traction/stability) and drivability.
- For a Porsche Cayenne early model (955), these units are becoming harder to source or may be superseded — replacing a failing unit proactively protects the vehicle.
- Restoring the correct function of the 4WD/centre differential lock restores the vehicle’s intended performance envelope, especially under load, off-road or in low-traction conditions.
- From a maintenance/resale perspective: a vehicle with a properly functioning transfer-case lock system is more desirable; faults here reduce value.
- Lastly, diagnosing and replacing the ECU early may prevent secondary damage (mechanical wear from improperly controlled locks/clutches).
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95561802305
95561802305
95561802300
95561802301
95561802302
95561802303
95561802304
The product you are viewing cross references to these numbers
Price: €578.62
In stock
Related products
Vehicle Group
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
Information
Paring Assistent Control Unit.
Fits:
Porsche 986 Boxster 1997-04 (Chassis no F 98XS6 00075>>)
Porsche 987 Boxster MKI 2005-08
Porsche 987C Cayman MKI 2005-08
Porsche 996 C2 / C4 / C4S 1999-05 (Chassis no F 99XS6 00295>> and F 99XS6 40109>>)
Porsche 996 Turbo 2001>>
Porsche 997 MKI C2 / C4 / C2S / C4S / Turbo 2005-08
Fits:
Porsche 986 Boxster 1997-04 (Chassis no F 98XS6 00075>>)
Porsche 987 Boxster MKI 2005-08
Porsche 987C Cayman MKI 2005-08
Porsche 996 C2 / C4 / C4S 1999-05 (Chassis no F 99XS6 00295>> and F 99XS6 40109>>)
Porsche 996 Turbo 2001>>
Porsche 997 MKI C2 / C4 / C2S / C4S / Turbo 2005-08
Price: €961.15
Orderable
Vehicle Group
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
Information
Reconditioned ABS Hydraulic Unit.
Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £3896.53 will be held and then refunded when the old one is returned.
Reconditioned units are sold on an exchange basis, A surcharge of £3896.53 will be held and then refunded when the old one is returned.
Fits:
Porsche 996 C2 2000-2005 Cars with Porsche Stability Management (PSM)
This unit is sold on an exchange basis, A surcharge of £3291.94 will be held and then refunded when the old one is returned.
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
996355955BX
996355955BX
996355955BU
99635595546
99635595552
99635595554
99635595562
The product you are viewing cross references to these numbers
Price: €5,954.89
+ €5,243.17 surcharge
In stock
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
Information
Sensor for interior monitoring. for Interior light.
Fits:
For cars with Theft security system (M534) and Anti-theft lock 315 MHz (M535)
Porsche 986 Boxster 1997-05
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661821002
The product you are viewing cross references to these numbers
Fits:
For cars with Theft security system (M534) and Anti-theft lock 315 MHz (M535)
Porsche 986 Boxster 1997-05
Porsche 996 1998-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99661821002
99661821002
The product you are viewing cross references to these numbers
Price: €292.23
Orderable