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.
2020 Fiat 500L LoungeFACTORY OEM SERVICE PROCEDURE
Module, Electronic Shift (ESM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| P0562-16 | GSM SYSTEM VOLTAGE LOW |
| P0563-17 | GSM SYSTEM VOLTAGE HIGH |
| P0606-42 | CONTROL MODULE PROCESSOR |
| P0607-48 | CONTROL MODULE PERFORMANCE |
| P060A-48 | INTERNAL CONTROL MODULE MONITORING PROCESSOR PERFORMANCE |
| P0814-12 | TRANSMISSION RANGE DISPLAY CIRCUIT |
| P0814-14 | TRANSMISSION RANGE DISPLAY CIRCUIT |
| P081C-11 | PARK INPUT CIRCUIT |
| P081C-12 | PARK INPUT CIRCUIT |
| P081C-13 | PARK INPUT CIRCUIT |
| P0914-81 | GEAR SHIFT POSITION CIRCUIT (LIGHT FAULT) |
| P0919-81 | GEAR SHIFT POSITION CONTROL ERROR (HEAVY FAULT) |
| P0928-01 | GEAR SHIFT LOCK SOLENOID CONTROL CIRCUIT/OPEN |
| P0929-16 | GEAR SHIFT LOCK SOLENOID CONTROL CIRCUIT RANGE/PERFORMANCE |
| P0955-01 | AUTO SHIFT MANUAL MODE CIRCUIT |
| P1C73-23 | PARK SWITCH CIRCUIT STUCK |
| P1C73-24 | PARK SWITCH CIRCUIT STUCK |
| P1C82-02 | AUTO SHIFT MANUAL MODE CIRCUIT |
| P1CA7-15 | IGNITION SOLENOID CONTROL CIRCUIT (SHORT TO BATTERY OR OPEN) |
| P1CA8-11 | IGNITION SOLENOID CONTROL CIRCUIT (SHORT TO GROUND) |
| P1D17-1C | IGNITION SOLENOID CONTROL CIRCUIT (RANGE/PERFORMANCE) |
| U0001-88 | HIGH SPEED CAN COMMUNICATION BUS (BUS OFF) |
| U0002-87 | HIGH SPEED CAN COMMUNICATION BUS PERFORMANCE (NODE MUTE) |
| U0100-87 | LOST COMMUNICATION WITH ECM PCM A |
| U0101-87 | LOST COMMUNICATION WITH TCM |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0401-86 | INVALID DATA RECEIVED FROM ECM PCM |
| U0402-86 | INVALID DATA RECEIVED FROM TRANSMISSION CONTROL MODULE |
| U0422-86 | INVALID DATA RECEIVED FROM BODY CONTROL MODULE |
Factory Service Tools
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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.