Aston Martin diagnostic trouble code
P0979: Shift Solenoid C Control Circuit Open Circuit/Short to Ground
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
- Transmission
- Manual coverage
- DB9
- Warning-lamp status
- DB9: MIL
What Aston Martin code P0979 means
Shift Solenoid C Control Circuit Open Circuit/Short to Ground
DB9 preliminary diagnostic manual · section 2-178
Manufacturer fault-analysis procedure
Cautions and notes
NOTE: The main voltage supply to the pressrue regulators is delivered via C0932-9. The return lines are via
ground pins C0932-13 and 16. Any open circuit fault
on these lines will trigger this group of codes.
ground pins C0932-13 and 16. Any open circuit fault
on these lines will trigger this group of codes.
Test sequence and decision path
1. Clear the fault code.
2. Run a road test to include use of all gears.
3. Stop the test and check for logged DTCs.
4. If any of the above DTCs are logged again,
replace the mechatronic unit. Repeat the road test
to ensure that the problem is resolved.
Open the corresponding manual page for wiring diagrams and figures
2. Run a road test to include use of all gears.
3. Stop the test and check for logged DTCs.
4. If any of the above DTCs are logged again,
replace the mechatronic unit. Repeat the road test
to ensure that the problem is resolved.