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 Lounge, Automatic TransFACTORY OEM SERVICE PROCEDURE
Module, Vehicle Tracking
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1000-1C | ELECTRONIC CONTROL UNIT - CIRCUIT VOLTAGE OUT OF RANGE |
| B1000-44 | ELECTRONIC CONTROL UNIT - DATA MEMORY FAILURE |
| B1000-47 | ELECTRONIC CONTROL UNIT - WATCHDOG/ SAFETY FAILURE |
| B1002-49 | GPS FAILS - INTERNAL ELECTRONIC FAILURE |
| B1003-49 | GSM/GPRS - INTERNAL ELECTRONIC FAILURE |
| B1006-4A | SIM FAILURE - INCORRECT COMPONENT INSTALLED |
| B1007-18 | EXTERNAL BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| B1007-84 | EXTERNAL BATTERY VOLTAGE- SIGNAL BELOW ALLOWABLE RANGE |
| B1008-91 | LOCK / UNLOCK BY SERVER - PARAMETRIC |
| B1008-93 | LOCK / UNLOCK BY SERVER - NO OPERATION |
| B1009-1C | INTERNAL BATTERY VOLTAGE - CIRCUIT VOLTAGE OUT OF RANGE |
| 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 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
