NHTSA ID Number: 11028264
Manufacturer Communication Number: 2062184/10
TSB/Document Date: 2026-02-04
Summary
Electronic Parking Brake (EPB) functionality issues. The following issues could be evident during PDI or found whilst in service: • Electronic Parking Brake (EPB) found not operating to specification • EPB may not hold the car effectively • Parking brake components showing signs of wear • Parking brake warning light may also be evident within the DIP, stating ‘Parking brake fault detected. Stop the vehicle in a safe place and refer to the owner’s manual.’
Technical Service Bulletin
Topic
Electronic Parking Brake (EPB) functionality issues
Market area
Bentley
: worldwide (2WBE),China 759 Audi China Beijing (6759),China 796 VW Import
Comp. Ltd (Vico), Beijing (6796)
Brand
Transaction
2062184/10
No.
Level
EH
Status
Released for publishing
Release
date
Jan 27, 2026
Diagnostic trouble codes
Fault
symptom
Storage
state
Diagnostic address
Diagnostic trouble code
0003 - Brake
electronics
C10BCF6: Left parking brake motor Engine speed
implausible
static
0003 - Brake
electronics
C12E2F2: Parking brake motor right Engine speed
implausible
static
0003 - Brake
electronics
C10BCF9: Left parking brake motor Insufficient
clearance
static
0003 - Brake
electronics
C12E2F6: Parking brake motor right Insufficient
clearance
static
0003 - Brake
electronics
C10E1F2: Parking brake motors Positions not plausible
static
0003 - Brake
electronics
C124654: Electromechanical parking brake no basic
setting
static
0003 - Brake
electronics
C10BDF1: Right parking brake motor Upper travel limit
exceeded
static
0003 - Brake
electronics
C10BCF1: Left parking brake motor Upper travel limit
exceeded
static
New customer code
Object of complaint
Complaint type
chassis -> brakes, brake regulation -> electronic parking brake (EPB)
functionality ->
no function
information, navigation, communication, entertainment -> warning display
symbols -> parking brake warning display
functionality ->
activates
Position
Vehicle data
Continental GT/GTC and Flying Spur
Sales types
Type MY
Brand Designation Engine code Gearbox code Final drive code
3S3* 2018 E
*
*
*
3S3* 2019 E
*
*
*
3S3* 2020 E
*
*
*
3S3* 2021 E
*
*
*
3S3* 2022 E
*
*
*
3S3* 2023 E
*
*
*
3S3* 2024 E
*
*
*
3S4* 2019 E
*
*
*
3S4* 2020 E
*
*
*
3S4* 2021 E
*
*
*
3S4* 2022 E
*
*
*
3S4* 2023 E
*
*
*
3S4* 2024 E
*
*
*
Z23* 2025 E
*
*
*
Z23* 2026 E
*
*
*
Z24* 2025 E
*
*
*
Z24* 2026 E
*
*
*
Z32* 2025 E
*
*
*
Z32* 2026 E
*
*
*
ZG2* 2020 E
*
*
*
ZG2* 2021 E
*
*
*
ZG2* 2022 E
*
*
*
ZG2* 2023 E
*
*
*
ZG2* 2024 E
*
*
*
Documents
Document name
master.xml
Technical Service Bulletin
Electronic Parking Brake (EPB) functionality issues
Transaction No.: 2062184/10
Release date: Jan 27, 2026
Condition
The following issues could be evident during PDI or found whilst in service
•
Electronic Parking Brake (EPB) found not operating to specification
•
EPB may not hold the car effectively
•
Parking brake components showing signs of wear
•
Parking brake warning light may also be evident within the DIP, stating ‘Parking brake fault detected.
Stop the vehicle in a safe place and refer to the owner’s manual.’
NOTE: One or a combination of the following DTC’s may also be evident
DTC
Description
C10E1F2 Parking brake motors Positions not plausible
C10BCF1 Left parking brake motor Upper travel limit exceeded
C10BDF1 Right parking brake motor Upper travel limit exceeded
C124654
Electromechanical parking brake no basic setting
C10BCF9 Left parking brake motor Insufficient clearance
C12E2F6
Right parking brake motor Insufficient clearance
C10BCF6 Left parking brake motor Engine speed implausible
C12E2F2 Right parking brake motor Engine speed implausible
Technical Background
The issues described can be evident due to the car being driven in Transport mode with the EPB applied
during the Transit process
Or
In some cases similar symptoms may be seen whilst in service
Revision history TPI - 2062184/10
•
Removed reference to TPI 2071166 and added instructions to clean the EPB pads, adjust the air gaps,
and retest the system. Advised that a DISS ticket should be raised with all relevant diagnostic
information if the fault persists.
Production Solution
-
Service
1. Carry out a full inspection of the (Electronic Parking Brake EPB) system including the following
components:
•
Right and left hand (EPB) Actuators
•
Right and left hand rear brake shoes (EPB) - See example shown in Figure 2
Figure 2
•
Right and left hand rear brake discs - See example shown in Figure 3
Figure 3
•
If there is no damage, refer to steps 2-5 below.
•
If damage is identified, raise a full DISS technical query and include all information outlined in Step 6.
2. Clean the brake shoes (EPB)
a. Remove the brake callipers as per ElsaPro repair group 43 (do not disconnect hydraulic lines unless
required).
b. Remove the EPB brake shoes from the calliper. Refer to ElsaPro Repair Group 43.
c. Inspect shoes for contamination (dust, debris, corrosion).
d. Clean the shoe surfaces and the EPB mechanism using a suitable brake cleaner.
e. Ensure all sliding surfaces are free from corrosion and move freely.
f. Reinstall or replace shoes if worn beyond specification.
3. Adjust the Air Gap
a. With the EPB brake shoes installed, adjust the parking brake air gaps according to the specification in
the workshop manual. Refer to ElsaPro Repair Group 43 ‘EPB Maintenance mode’
b. Ensure that both sides have equal and correct air gaps.
c. Confirm actuator movement is smooth and unobstructed.
4. Reassemble
a. Refit the brake callipers and torque all fasteners to the specified values.
b. Reinstall wheels and torque wheel bolts correctly.
c. Lower the vehicle.
5. Retest the System
a. Cycle the EPB through apply and release functions several times.
b. Use the diagnostic tester to run an EPB calibration/learn function if required by the model.
c. Confirm no warning messages are present and that the EPB applies/releases normally.
d. Check for even operation on both sides.
6. Information required for the full Technical DISS query if required.
IMPORTANT NOTE: Please attach the following to a new or existing full technical DISS query
•
Photographs/videos of the (EPB) actuator(s) must be attached to the DISS query in all cases
Request: Please also include any customer feedback regarding when the issue occurs as follows:
•
During an ‘Auto hold’ event
•
During start up/initial pull away
•
Whilst driving
•
On application of the parking brake
•
On release of the parking brake
•
How does the customer use the (Electronic Parking brake) EPB? For example:
- Is the vehicle parked without applying the EPB being applied ( ‘P’ gear selection only)
•
Other (please specify on the new or existing DISS query)
Comments
Please also ensure the following information is requested and/or discussed with the customer
•
Has the customer ever utilised the emergency stop function of the EPB switch?
•
Are there any noticeable noises or driveability issues which could indicate the EPB has been sticking
on?
•
Has there been any occasions where the EPB has not disengaged as expected / binding / sticking?
•
Other (please specify on the new or existing DISS query)
Comments
No further work should be conducted unless authorisation is received from Product Support via the open
DISS query
Warranty
VERY IMPORTANT: Any Damaged parts that are replaced during PDI (including discs if deemed necessary)
MUST BE assigned to Transit damage
Retailers MUST ensure that any parts and labour claims are made against Transit damage within 72 hours
of receiving the vehicle
Warranty type
110 or 910
Damage Service Number
Damage Code
46 23
00 35
Time to remove and refit both rear wheels
Labour Operation Code 44 05 20 00
Time
10 TU
Time to remove and refit both (EPB) actuators
Labour Operation Code 46 85 20 50
Time
20 TU
Time to remove and refit both rear brake discs
Labour Operation Code 46 53 20 50
Time
140 TU
Time to remove and refit both rear brake shoes
Labour Operation Code 46 23 20 50
Time
20 TU
Time to adjust rear brake shoes
Labour Operation Code 46 23 16 50
Time 30 TU
Time to perform GFF (Guided Functions)
Labour Operation Code 01 50 00 00
Time 10 TU
Required Parts and Tools
Refer to the ETKA parts catalogue
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Ideal for hydraulic and disc brakes
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
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TSB/Document ID: 2062184/10
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-27
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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