# Service bulletin 08\-048\-16

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: 10076505
- Published by NHTSA: 2016\-07\-14
- Manufacturer's number: 08\-048\-16
- Manufacturer's date: 2016\-04\-22
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

SUBJECT: FLASH: Electric Vehicle Control Unit \(EVCU\) System Enhancements OVERVIEW: This bulletin involves updating the software in the EVCU. SYMPTOM/CONDITION: A small number of customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, the technician may find the following Diagnostic Trouble Code \(DTC\) set in the EVCU memory: • P1A21\-00 \- HV Battery Contactor Control Sequence Incorrect. In addition the customer may notice one of the following conditions: • When an Electric Vehicle Supply Equipment \(EVSE\) is plugged in approximately 17 seconds after key off, the vehicle will not charge and will not power down. This could lead to potential 12V battery drain after prolonged period of time. • When the battery temperature is below \-30°C \(\-22°F\) and above 50°C \(122°F\), the thermal system does not function. • When a Level 1 EVSE is plugged in, the displayed charge time estimation for Level 2 is over estimated. The following improvements/enhancements are also included in this software release: • Improved shift strategy involving shift lever position.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Software

## Trouble codes named

P1A21

## Vehicles listed

- 2013 to 2016 FIAT 500E

## Other bulletins for the same vehicles and component

- [1805316](/bulletins/10215164.md), 2022-07-05, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Diagnostic And System Improvements.
- [1802715 Rev C](/bulletins/10215138.md), 2022-07-05, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Diagnostic And System Improvements.
- [0812215](/bulletins/10215097.md), 2022-07-05, Service bulletin: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE. This bulletin involves performing a wiTECH Misc\-Function routine, for proper operation of
- [08\-114\-15 REV A](/bulletins/10159965.md), 2019-05-20, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu \(FF BEV only\). ? Korean language was not supported \(APAC \- Korea only\). Enhancement: ? Removing the charging schedule from showing in the setting menu \(FF BEV only\). ? Adding Korean language support \(APAC \- Korea only\).
- [08\-114\-15](/bulletins/10159942.md), 2019-05-20, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Radio Software Enhancements This bulletin involves updating the radio's software. CAUTION: Confirm the correct radio flash file to the applicable model and family vehicle before flashing. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Loss of radio memory for skipped channels or incorrectly displaying skipped channels in the menu list. ? Charging schedule showing in the setting menu \(FF BEV only\). ? Korean language was not supported \(APAC \- Korea only\). Enhancement: ? Removing the charging schedule from showing in the setting menu \(FF BEV only\). ? Adding Korean language support \(APAC \- Korea only\).
- [21\-038\-15 REV\-A](/bulletins/10151740.md), 2018-12-17, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:SOFTWARE. Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [18\-032\-15 REVA](/bulletins/10150556.md), 2018-12-10, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE. Flash: 1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a crank no start condition in extreme cold temperatures of \-4°F \(\-20°C\) partially due to the available fuel blend conditions, They may also experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that Diagnostic Trouble Code P0141 \- O2 SENSOR 1/2 HEATER PERFORMANCE has been set in the PCM.
- [18\-032\-15](/bulletins/10150537.md), 2018-12-10, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE. Flash: 1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience a crank no start condition in extreme cold temperatures of \-4°F \(\-20°C\) partially due to the available fuel blend conditions, They may also experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find that Diagnostic Trouble Code P0141 \- O2 SENSOR 1/2 HEATER PERFORMANCE has been set in the PCM.
- [18\-032\-15 REV\-C](/bulletins/10148992.md), 2018-11-26, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM. Flash: 1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module \(PCM\) with new software. A small number of customers may experience one of the following conditions or a a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the Technician may find a Diagnostic Trouble Code has been set in the PCM. ? P0141 \- O2 Sensor 1/2 Heater Performance. ? Crank no start condition in extreme cold temperatures of \-4°F \(\-20°C\) partially due to the available fuel blend conditions. Additional Software Improvements Include: ? P1046 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent.
- [18\-010\-15 REV\-C](/bulletins/10148991.md), 2018-11-26, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash:1.4L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest software. The 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 \(DTCs\): ? P0141 Oxygen Sensor 1/2 Heater Performance \(software has been updated to better address this DTC, for EAB engines\). ? P1046 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P061A Internal Control Module Torque Performance \(2014 Vehicles only\). ? Improved reverse lamp activation time \(2015 auto trans only\). ? Improved cold weather starting, below \-4 °F \(\-20 °C\).

JSON: [/v1/bulletins/10076505](/v1/bulletins/10076505)

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