35 Gearbox Malfunction Message, DTCS P17D800, P179D00, P174000, P174C, P174B, P174F, P179C, P174A, P174E In Cluster (GROUP 35, NO. 18-29)
Reference number: GROUP 35, NO. 18-29
Supersedes refnos: 2030477, 2030477/10, 2030477/8, 2030477/9, GROUP 35, NO. 12-05, GROUP 35, NO. 12-06, GROUP 35, NO. 13-10, GROUP 35, NO. 13-13, GROUP 35, NO. 13-14, GROUP 35, NO. 13-15, GROUP 35, NO. 16-20, GROUP 35, NO. 16-21, GROUP 35, NO. 16-24
35 GEARBOX MALFUNCTION MESSAGE, DTCS P17D800, P179D00, P174000, P174C, P174B, P174F, P179C, P174A, P174E IN CLUSTER
TECHNICAL SERVICE BULLETIN
| AUDI: | S4, S5 2010 - 2013; RS 5, S6, and S7 2013 |
| GROUP: | 35 - Manual Transmission - Gears, Shafts |
APPLICABLE MODELS AND YEARS
35 18 29 2030477/10 April 13, 2018. Supersedes Technical Service Bulletin Group 35 number 16-24 dated October 14, 2016 for reasons listed below.
| Model(s) | Year | VIN Range | Vehicle-Specific Equipment |
|---|---|---|---|
| S4, S5 | 2010 - 2013 | All | S-Tronic 7 speed transmission |
| RS 5, S6, and S7 | 2013 | All | S-Tronic 7 speed transmission |
CONDITION
| Revision | Date | Purpose |
|---|---|---|
| 10 | - | Revised title Revised Service (Updated repair instructions) Revised Required Parts and Tools (Updated part numbers) |
| 9 | 10/14/2016 | Revised Required Parts and Tools (Added bolts and oil pipe) |
| 8 | 04/18/2016 | Revised Required Parts and Tools (Added oil pipe, O-ring and drain plug seal) |
Customer states:
- The following message appears in the instrument cluster's information display: "Gearbox malfunction: you can continue driving".
Workshop findings:
One or more of the following DTCs are stored in the transmission control module (TCM), J217 (address word 0002):
- DTC P17D8 (Torque limitation because of clutch temperature) with symptom code 8040
- DTC P0726 (RPM signal of engine control unit, implausible signal) with symptom code 7980
- DTC P174B (Valve 4 in the sub-gearbox 1, electric fault) with symptom code 8027
- DTC P174F (Valve 4 in the sub-gearbox 2, electric fault) with symptom code 8028
- DTC P179C (Main pressure valve, electric fault) with symptom code 8029
- DTC P179D (Coolant oil valve electrical fault) with symptom code 8030
- DTC P174C (Partial transmission 1 valve 2 Electrical error) with symptom code 8026
- DTC P174A (Valve 3 in the sub-gearbox 1, electric fault) with symptom code 8939
- DTC P174E (Valve 3 in the sub-gearbox 2, electric fault) with symptom code 8940
- DTC P1740 (Clutch temperature monitoring) with symptom code 8031
Tip: Fault codes and symptom codes must match exactly or this TSB should not be followed. Instructions for obtaining the symptom codes are in the Service section of this bulletin.
TECHNICAL BACKGROUND
Poor internal contact area on circuit board will lead to faults. Oil additives can cause the plastic circuit plates to delaminate, causing contact loss.
PRODUCTION SOLUTION
Improved circuit board for mechatronics unit.
SERVICE
Confirm that this TSB applies by checking the symptom code:
- Check the DTC memory. The symptom code is listed with the DTC (Figure 1).
- If the DTC is listed in the Condition section of this bulletin, and it has the corresponding symptom code from the list, perform the repair that follows.
If the TSB applies, perform the following repair:
- Remove the Mechatronics unit per instructions in the repair manual.
- Replace the Mechatronics Circuit board per the repair manual instructions.
- Reinstall the Mechatronics unit per the repair manual instructions.NOTE: Be sure to follow all cautions and warnings noted in the Repair Manual.
Tip: If the connector locks are damaged when the circuit board is replaced, the mechatronics unit must be replaced. Once connected, the circuit board cannot be removed and used again.
WARRANTY
| Claim Type: |
|
||
| Service Number: | 3511 | ||
| Damage Code: | 0040 | ||
| Labor Operations: | Remove and install mechatronics | 3511 1900 | 250 TU |
| Remove and install printed circuit | 3511 3799 | 40 TU | |
| Diagnostic Time: | GFF to perform adaptation procedure. | 0150 0000 | Time stated on diagnostic protocol (Max 40 TU) |
| Road test prior to service procedure | No allowance | 0 TU | |
| Road test after service procedure | 0121 0004 | 10 TU | |
| Claim Comment: | As per TSB #2030477/10 | ||
All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual . Claims are subject to review or audit by Audi Warranty.
REQUIRED PARTS AND TOOLS
Always check with your Parts Department and/or ETKA for the latest information and parts bulletins. Please check the Repair Manual for fasteners, bolts, nuts, and screws that require replacement during the repair.
| Part Number | Part Description | Quantity |
|---|---|---|
| 0B5398009D | Repair kit: Printed circuit foil for valve body | 01 |
| N 10405702 | Bolts for Mechatronics unit | 06 |
| 0B5315105TA | Oil pipes with seal | 01 |
| 0B5321371F | Pan gasket | 01 |
| 0B5321473 | Oil pipe | 01 |
| 0B5315105TC | Oil pipes with seal | 01 |
| WHT003379 | O-ring | 01 |
| N 0138271 | Drain plug seal (Production before 4/25/2011) | 01 |
| N 0138275 | Drain plug seal (Production 4/25/2011 forward) | 01 |
| G 052529A2 | ATF | 07 |
ADDITIONAL INFORMATION
All parts and service references provided in this TSB (2030477) are subject to change and/or removal.
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