Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Fiat 500 Pop, Automatic TransFACTORY OEM SERVICE PROCEDURE
Cluster, Instrument
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1000-44 | ECU INTERNAL - DATA MEMORY FAILURE |
| B1000-45 | ECU INTERNAL - PROGRAM MEMORY FAILURE |
| B1000-46 | ECU INTERNAL - CALIBRATION MEMORY FAILURE |
| B1000-47 | ECU INTERNAL - WATCHDOG MICRO FAILURE |
| B1900-01 | SECURE WARNING LAMPS - GENERAL ELECTRICAL FAILURE |
| U0019-87 | CAN B BUS - NO SIGNAL |
| U0019-88 | CAN B BUS OFF |
| U1700-86 | IMPLAUSIBLE DATA RECEIVED FROM BCM |
| U1700-87 | LOST COMMUNICATION WITH BCM |
| U1701-86 | IMPLAUSIBLE DATA RECEIVED FROM PCM |
| U1701-87 | LOST COMMUNICATION WITH PCM |
| U1705-86 | IMPLAUSIBLE DATA RECEIVED FROM RRM |
| U1705-87 | LOST COMMUNICATION WITH RRM |
| U1706-86 | IMPLAUSIBLE DATA RECEIVED FROM BSM |
| U1706-87 | LOST COMMUNICATION WITH BSM |
| U1711-86 | IMPLAUSIBLE DATA RECEIVED FROM TCM |
| U1711-87 | LOST COMMUNICATION WITH TCM |
| U1724-86 | IMPLAUSIBLE DATA RECEIVED FROM PAM |
| U1724-87 | LOST COMMUNICATION WITH PAM |
| U1726-86 | IMPLAUSIBLE DATA RECEIVED FROM ORC |
| U1726-87 | LOST COMMUNICATION WITH ORC |
| U1732-86 | IMPLAUSIBLE DATA RECEIVED FROM TPM |
| U1732-87 | LOST COMMUNICATION WITH TPM |
| U1733-86 | IMPLAUSIBLE DATA RECEIVED FROM CTM |
| U1733-87 | LOST COMMUNICATION WITH CTM |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.