Technical product information
Topic

Engine Coolant Bypass Valve Control Fault - DTC P268100 with symptom code 32827
evident in address 00C5

Market area

Bentley: worldwide (2WBE),China 796 VW Import Comp. Ltd (Vico), Beijing (6796)

Brand

Bentley

Transaction
No.

2081300/1

Level

EH

Status

Released for publishing

Release
date

March 23 2026

Event memory entries

Fault
type

Fault
status

Diagnostic address

Event memory entry

00C5 - Thermal
management

P268100: Engine Coolant Bypass Valve Control Circuit
/Open

static

00C5 - Thermal
management

P268100: Engine Coolant Bypass Valve Control Circuit
/Open

Intermittent

New customer code

Object of complaint

Complaint type

vehicle service -> vehicle diagnosis -> guided fault
finding

control units, services -> with event log
entry

Vehicle data
Continental GT/GTC
Sales types

Type MY

Brand Designation Engine code Gearbox code Final drive code

Z23* 2025 E

*

*

*

Z23* 2026 E

*

*

*

Z24* 2025 E

*

*

*

Z24* 2026 E

*

*

*

Flying Spur

Position

Sales types

Type MY

Brand Designation Engine code Gearbox code Final drive code

Z32* 2025 E

*

*

*

Z32* 2026 E

*

*

*

Documents
Document name
master.xml

Technical product information

Transaction No.:

2081300/1

Engine Coolant Bypass Valve Control Fault - DTC P268100 with symptom code
32827 evident in address 00C5

Customer statement / workshop findings
Customer Statement
The customer may report that the Engine Malfunction Indicator Lamp (MIL) is illuminated.
Workshop Findings
Customer findings verified in the workshop, with the following DTC be stored in the thermal management
(diagnostic address 00C5):
•

DTC P268100 – Engine Coolant Bypass Valve Control Circuit/Open Fault type (Symptom: 32827)

Technical background
DTC P268100 is logged when the engine control module detects an open circuit in the coolant bypass valve
control system. Field cases show this is commonly caused by wiring harness damage or poor connection at
Coolant Pump Solenoid valve N91, resulting in intermittent or lost electrical continuity
Refer to the ‘Measure’ section for next steps.

Production change
Under Review

Measure
CAUTION
Risk to Personal Injury: Ensure the coolant temperature is fully safe before accessing any cooling system
components, disconnect the 12V power supply following workshop manual procedures when working on
electrical connectors, and never open or remove any part of the cooling system while it is hot.

Approved Diagnostic Procedure
1. Perform GFF and confirm DTC P268100 stored in address 00C5

Record data.

2. Access Coolant Pump Solenoid Valve N91

The coolant pump solenoid valve 4 "(N91)" -2- is located within the front right wheel arch. Disregard all other
positions, image for illustration purposes only.

Figure 1. Coolant Pump Solenoid Valve N91 location

2. Position the car on a ramp

Refer to ElsaPro → Booklet 404

3. Remove the relevant wheel

Refer to ElsaPro → Rep. Gr. 44 ‘Road wheel - To remove and fit’

4. Remove the front and rear sections of the RH front wheelarch liners

Refer to ElsaPro → Rep. Gr. 66 "Front wheel arch liners - To remove and fit"

5. Inspect wiring harness for:
•

Abrasion

•

Bending stress

•

Incorrect routing

•

Oil/coolant contamination

•

Connector security

6. Check Connector Condition at N91
•

Inspect for corrosion, bent pins, loose terminals.

•

Reseat connector and ensure latch engagement.

7. If any damage is found see example below (figure 2),

Do not repair without instruction.

Figure 2. Example wiring damage

NOTICE
Please raise a full technical DISS query for second-level review by the Electrical TM and wait for further
guidance.

Include the following in the full technical DISS query:
•

VIN, model, MY

•

Customer Statement: “2081300 Support”

•

GFF log attached

•

Summary of findings and whether damage or poor connection was confirmed

•

Clear photos of the coolant pump N91 wiring and connector, especially any chafing or insulation wear.

Warranty accounting instructions

Where wiring harness repairs are required, refer to the warranty accounting instructions in ElsaPro. Due to
vehicle specific configurations and the number of wires that may require repair, warranty coding must be
applied according to the relevant repair scenario.
Warranty type: 110 or 910
Damage service number: 97 09
Damage code: 00 25

Time to perform GFF diagnosis
Labour Operation Code – 01 50 00 00
Time – 10 TU
Front wheel housing Liner removal and installation
Labour Operation Code – 66 16 19 00
Time – 40 TU
Central Wiring harness Check
Labour Operation Code – 97 09 01 00
Time – 10 TU

Parts information
As advised by DISS - Use standard Bentley approved wiring repair kit (VAS 1978 B)
Refer to ETKA parts catalogue