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Example: P0120
C1681 Benz Model 1 engine code seems a kind of chassis problem, we try to show one by one the meaning and the solution.
Brief explanation of the C1681 Benz Model 1 code and definition of C1681 Benz Model 1 is the bottom side.
c |
Chassis Code Problem is controller area network wiring bus and modules. |
1 | MFG - Manufacturer Specific |
6 | Vehicle Speed Control And Idle Control System |
8 | Exhaust Gas Recirculation System Valve 1 |
1 | TFP Valve Position Switch-Drive Without Drive Ratio |
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.
How To Fix C1681 Benz Model 1 ?
Regarding the C1681 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. |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. C1681 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired. When you see C1681 Benz Model 1 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.
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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.