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Our solutions are characterized by their simple interpretation. They include demonstrative images and are arranged in four fields: Error codes, symptom, cause and solution.

HIGHLIGHT NEWSLETTER

CAR

AUDI A3 Sportback (8PA)

SYSTEM

TRANSMISSION - CLUTCH

ERROR CODES

05636 - P1604 - Faulty control unit.

18012 - P1604 - Faulty control unit.

P1730 - Gear lever position sensor nº 2, electrical failure.

P1731 - Gear lever position sensor nº 3, electrical failure.

P1735 - Clutch 1 position sensor, electrical failure.

SYMPTOM

Fault codes recorded in the gearbox control unit.
The vehicle displays one or several of the above-mentioned fault codes.

The vehicle has one or several of the following symptoms:
- Engine warning light (MIL) ON.
- The gear indicator light is flashing.
- The gearbox is not operating.
- Vehicle in low power or emergency mode.
- The vehicle has no traction.
- Hard jerks.

NOTE: This informative bulletin only affects those vehicles equipped with DSG gearbox type 0AM.

NOTE: This informative bulletin only affects those vehicles that are within a specific VIN (vehicle identification number) range.

CAUSE

Possible causes:
- Faulty position sensor.
- Internal mechatronic unit fault.

SOLUTION

Repair procedure:
- Read the fault codes recorded in the engine control unit and the gearbox control unit (J743) using the diagnostic tool.
- Confirm that one or several of the fault codes that appear in the field symptoms of this bulletin are displayed.
- Clean the opposite magnets for the travel sensors of the gearbox:
- G487. 1st to 3rd gear travel sensor.
- G488. 2nd to 4th gear travel sensor.
- G489. 5th gear travel sensor.
- G490. Reverse gear travel sensor.
- Clear the fault codes recorded in the engine control unit using the diagnostic tool.
- Carry out a second fault code reading of the engine control unit (ECU) using the diagnostic tool and confirm that the fault codes that appear in the field symptoms are NOT recorded.
- Replace the mechatronic unit if one or several of the above-mentioned fault codes appear.

See image 1:
A - Mechatronic unit.
B - Connector of the control unit.

See image 2:
A - Travel sensor (G487) located in the mechatronic unit.
B - Travel sensor (G488) located in the mechatronic unit.
C - Travel sensor (G490) located in the mechatronic unit.
D - Travel sensor (G489) located in the mechatronic unit.