Aston Martin diagnostic trouble code

P260F: Neural-network processor ROM checksum error

Use this reference to understand the recorded condition, confirm the available V8 Vantage or DB9 manual coverage, and follow the documented diagnostic checks before replacing parts.

Code family
Powertrain
Vehicle system
Other vehicle system
Manual coverage
DB9
Warning-lamp status
DB9: MIL

What Aston Martin code P260F means

Neural-network processor ROM checksum error

DB9 preliminary diagnostic manual · section 2-310

Manufacturer fault-analysis procedure

Manual fault definition

P260F Neural net processor reports ROM checksum error

Test sequence and decision path

1. Connect the WDS and confirm that P260F is
logged.

2. Check that the latest PCM hardware and software
is fitted.
If necessary, reflash the PCMs and then run a
KOER test to ensure that the problem is resolved.
If the P260F code is logged again, contact Aston
Martin Technical Support.
Open the corresponding manual page for wiring diagrams and figures