# Service bulletin 18\-030\-15 REV\-B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10148678
- Published by NHTSA: 2018\-11\-19
- Manufacturer's number: 18\-030\-15 REV\-B
- Manufacturer's date: 2015\-09\-23
- NHTSA component: ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, OTHER

## NHTSA's summary

Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module \(ECM\) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\). ? U0402 \- Implausible Data Received From TCM. ? P0133 \- O2 Sensor 1/1 Slow Response. ? P0171 \- Fuel System 1/1 Lean. ? P050D \- Cold Start Rough Idle. In addition, customers may experience one or more of the following concerns: ? Clatter or ticking noise from the engine at idle. ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148678-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10148678-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Fuel system

## Trouble codes named

P0133, P0171, P050D, U0402

## Vehicles listed

- 2016 FIAT 500

## Recalls for the same vehicles and component

- [16V303000](/recalls/nhtsa/16V303000.md), 2016-05-16: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [9100624](/bulletins/11020767.md), 2025-07-17, Service bulletin: ENGINE. Verify Reman part number availability. Order the "R" part number for all orders:
- [S1408000384](/bulletins/10251783.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [9100226](/bulletins/10248509.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [9100226](/bulletins/10244348.md), 2023-10-30, Service bulletin: ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [0700723](/bulletins/10239957.md), 2023-07-31, Service bulletin: ENGINE AND ENGINE COOLING. Water Quality When Mixed With Engine Coolant
- [1804823](/bulletins/10236933.md), 2023-05-30, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test \(SLVT\) \- P0456\-EVAP SYSTEM SMALL LEAK
- [S1408000384](/bulletins/10234420.md), 2023-04-17, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [S2108000163](/bulletins/10230183.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
- [S2109000004](/bulletins/10230180.md), 2023-01-17, Service bulletin: ENGINE AND ENGINE COOLING. Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
- [S2209000004](/bulletins/10227983.md), 2022-12-19, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING. If a Mopar oil filter is not available, use a filter that meets or exceeds USCAR36 specification and is compatible with semi and full synthetic oils.

JSON: [/v1/bulletins/10148678](/v1/bulletins/10148678)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018-030-15%20REV-B&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10148678&vehicle=Service%20bulletin%2018-030-15%20REV-B)