U3986 DTC For Fiat 3
Fiat 3 Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | V-Type Engine |
| Engine Air Intake Process : | Naturally Aspirated |
Your Fiat 3 engine control system detects a problem, the computer stores the diagnostic trouble
code U3986 in its memory.
To figure out what is wrong with your vehicle you must first extract the U3986 DTC For Fiat 3.
A good ground connection is also extremely important. U3986 Fiat 3 engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).
U3986 Fiat 3 DTC Meaning
| U |
Network Code - Problem is climate control system, lighting, airbags, etc. |
| 3 |
SAE - Generic |
| 9 |
Transmission |
| 8 |
Crankshaft Position Sensor Circuit Performance |
| 6 |
Transmission Control Module Reprogrammable Memory |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U3986 Fiat 3 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.
You can also check other Fiat car models :
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The listed Fiat models will give information about U3986 DTC.
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