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Example: P0120
U2397 Smart Fortwo engine code seems a kind of network problem, we try to show one by one the meaning and the solution.
Brief explanation of the U2397 Smart Fortwo code and definition of U2397 Smart Fortwo is the bottom side.
| u |
Network Code Problem is climate control system, lighting, airbags, etc. |
| 2 | MFG - Manufacturer Specific |
| 3 | IC Module 4X Ref Circuit Intermittent, No Pulses |
| 9 | Crankshaft Position Sensor Circuit Performance |
| 7 | Cruise Inhibit Control Circuit |
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 U2397 Smart Fortwo ?
Regarding the U2397 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 valves of each cylinder are kept closed using a pair of arms that replace the conventional engine's roller-type rocker arm. U2397 code one of these arms follows the cam profile while the second arm connects to the valves. During normal engine operation the two arms are joined by a locking pin. When you see U2397 Smart Fortwo engine fault code on your engine code reader this description will help you.
| U Codes | List of all Network 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 U 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.
