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C2678 engine code seems a kind of chassis problem, we try to show one by one the meaning and the solution.
Brief explanation of the C2678 code and definition of C2678 is the bottom side.
| c |
Chassis Code Problem is controller area network wiring bus and modules. |
| 2 | MFG - Manufacturer Specific |
| 6 | Vehicle Speed Control And Idle Control System |
| 7 | Vehicle Speed Output Circuit |
| 8 | PCM Stack Overrun |
MFG - Manufacturer Specific codes, which have a '1' as their second digit to indicate they are unique to a particular vehicle make or model. These special codes were deemed necessary by the vehicle manufacturers so they could provide additional diagnostic information beyond the basic list of generic OBD II codes for all kinds of faults, not just emissions-related faults.
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How To Fix C2678 ?
The engine system, in conjuction with the engine control module (ECM)/powertrain control module (PCM), activates the C2678 code solenoid valve to control oil pressure to the engine mechanism that is installed in the valve system to switch valve timing between Low and High.If the engine solenoid valve has an open or short circuit, a DTC is stored. |
Regarding the C2678 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter. When you see C2678 engine fault code on your engine code reader this description will help you.
| C Codes | List of all Chassis codes. |
Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the C Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.
BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.
