Aston Martin diagnostic trouble code
P2105: Throttle Actuator Control System - Forced Engine Shutdown
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
- Fuel and air
- Manual coverage
- V8 Vantage, DB9
- Warning-lamp status
- V8 Vantage: MIL; DB9: MIL
What Aston Martin code P2105 means
Throttle Actuator Control System - Forced Engine Shutdown
DB9 preliminary diagnostic manual · section 2-292
Manufacturer fault-analysis procedure
Manual fault definition
P2105 - Throttle Actuator Control System - Forced
shutdown.
shutdown.
Test sequence and decision path
1. Connect the WDS and check that P2105 is
logged. Note which PCM has recorded the fault.
Note all other fault codes and resolve all other
problems first. Retest to check if P2105 is logged
again.
This code indicates an internal PCM fault.
2. Check that the latest level of PCM hardware is fitted and that it is flashed with the latest level of
software. Reflash the PCM if necessary.
3. Run a road test including a wide range of throttle
actuations.
4. If the P2105 recurs, contact Aston Martin Technical Support.
Open the corresponding manual page for wiring diagrams and figures
logged. Note which PCM has recorded the fault.
Note all other fault codes and resolve all other
problems first. Retest to check if P2105 is logged
again.
This code indicates an internal PCM fault.
2. Check that the latest level of PCM hardware is fitted and that it is flashed with the latest level of
software. Reflash the PCM if necessary.
3. Run a road test including a wide range of throttle
actuations.
4. If the P2105 recurs, contact Aston Martin Technical Support.