2080242/1 Service Bulletin/Repair Instructions

Technical Service Bulletin

Topic
Drive System Fault in Kombi with DTC P0C5100 present | Continental GT/GTC/Flying

Spur | 25MY
Market area
Bentley: worldwide (2WBE),China 796 VW Import Comp. Ltd (Vico), Beijing (6796)
Brand
Bentley
Transaction

No.
2080242/1
Level
EH
Status
Released for publishing
Release date
Jan 6, 2026
Diagnostic trouble codes
Diagnostic

address
Diagnostic trouble code
Fault

symptom
Storage

state
0051 - Electric

drive
P0A4000: Drive Motor "A" Position Sensor Circuit Range

/Performance
Intermittent
0051 - Electric

drive
P0C5100: Drive Motor "A" Position Sensor Circuit "A" Range

/Performance
Intermittent
0051 - Electric

drive
P0C5100: Drive Motor "A" Position Sensor Circuit "A" Range

/Performance
static
0051 - Electric

drive
P0A4000: Drive Motor "A" Position Sensor Circuit Range

/Performance
static
New customer code
Object of complaint
Complaint type
engine -> engine operation -> combined motor/electro-drive motor

driving mode
functionality -> no

function
engine -> engine operation -> electro-drive mode
functionality -> no

function
Vehicle data

25MY Continental GT/GTC & Flying Spur

Sales types
Type MY
Brand Designation Engine code Gearbox code Final drive code
Z23* 2025 E
*
*
*
Position
Z24* 2025 E
*
*
*
Z32* 2025 E
*
*
*
Documents

Document name

master.xml
Technical Service Bulletin

Drive System Fault in Kombi with DTC P0C5100 present | Continental GT/GTC

/Flying Spur | 25MY
Transaction No.:
2080242/1

Release date: Jan 6,

2026
Condition

Customer statement

A drive system fault is displayed in the instrument cluster.

Workshop findings:

Customer findings verified in the workshop with the following DTC are stored in the electric drive control unit

(diagnostic address 0051):

•
P0A4000: Drive Motor "A" Position Sensor Circuit Range/Performance
•
P0C5100: Drive Motor "A" Position Sensor Circuit "A" Range/Performance
Technical Background

Incorrect or unstable signals from the drive motor position sensor can disrupt torque control and trigger fault

codes in the Electric Drive system.
Production Solution

Not Applicable
Service

DANGER

High voltage can cause fatal injury. Danger of severe or fatal injuries from electric shock
WARNING

Risk of Electric Shock: Disconnect the vehicle’s 12V battery before working on electrical connectors to

prevent accidental short circuits or injury.
CAUTION

Follow safety precautions! Refer to "Safety precautions when working on high-voltage system" → Rep. Gr.

00
1. Log all MVBs in 0051 (J841) – Electric Drive to capture sensor and system data

In the event of a complaint, the functional check “J841 Read measured values” must be performed in ⇒

Guided Fault Finding
Log the results.
2. Inspect wiring harness and connector terminals at the transmission sensor and Power Electronics (A37)

Check T8aa (8-pin connector, black), TMR (Coupling point in engine compartment, right), and T32am (32pin connector, black) for:

•
Physical damage (broken housing, bent pins, cracked insulation)
•
Pin drag (verify terminal tension using correct test tool)
•
Corrosion or contamination (look for rust, green deposits, dirt, oil, moisture)
The electric drive control unit ( DC/AC converter for drive motor -A37- ) -1- is located on the right hand side

of the engine.
To access the transmission sensor and Power Electronics (A37), follow the instructions below:

•
Position the vehicle on a ramp, refer to ElsaPro Booklet 404
•
De-energise the HV system, refer to ElsaPro Repair Group 93
•
Disconnect the 12V battery, refer to ElsaPro Repair Group 27
•
Remove the right hand front wheel, refer to ElsaPro Repair Group 44
•
Remove the front right hand wheelarch liners, refer to ElsaPro Repair Group 66.
4. Rebuild the vehicle ensuring all fasteners are torqued to specification. Installation of removed parts is the

reverse of removal procedure.
5. Perform the following:

•
Re-energise the HV system, refer to ElsaPro Repair Group 93
•
Connect the 12V battery, refer to ElsaPro Repair Group 27
6. Perform Basic Settings on 0051 - Electric Drive using the diagnostic tool
•
Select Control unit list
•
Select 0051 - Electric drive
•
Select Guided functions
•
Select ‘Basic Settings’ and follow the on screen prompts
7. Log all MVBs in 0051 (J841) – Electric Drive to capture sensor and system data
After performing basic settings on 0051, the functional check “J841 Read measured values” must be

performed again in ⇒ Guided Fault Finding
8. Clear DTCs, perform a test drive, and re-read DTCs.
NOTICE

Send the diagnosis logs online via a Technical DISS query to product support second level. Write the

number of this TPI 2080242/* in the field " workshop findings". Await response for further instructions.
Warranty

Warranty type 110 or 910

Damage service number 97 09

Damage code 00 28

De-energising high-voltage system

Labour operation code 93 10 00 00

Time 10 TU

Battery earthing strap remove+install

Labour operation code 97 85 19 07

Time 80 TU

Central wiring harness check

Labour operation code 97 09 01 00

Time 10 TU

GFF guided fault finding

Labour operation code 01 50 00 00

Time 20 TU

Test drive

Labour operation code 01 21 00 01

Time 30 TU

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Last update on 2026-03-25 / Affiliate links / Images from Amazon Product Advertising API

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