C1221 DTC For Fiat Twelve
Fiat Twelve Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | V-Type Engine |
| Engine Air Intake Process : | Naturally Aspirated |
Your Fiat Twelve engine control system detects a problem, the computer stores the diagnostic trouble
code C1221 in its memory.
To figure out what is wrong with your vehicle you must first extract the C1221 DTC For Fiat Twelve.
On 1999 and later C1221 Fiat Twelve engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.
C1221 Fiat Twelve DTC Meaning
| C |
Chassis Code - Problem is controller area network wiring bus and modules. |
| 1 |
MFG - Manufacturer Specific |
| 2 |
Computer And Auxiliary Outputs |
| 2 |
Cruise Control Servo Indicates Low |
| 1 |
PCM Stack Overrun |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. C1221 Fiat Twelve 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 C1221 DTC.
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