# Service bulletin T\-SB\-0040\-16 Rev

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: 10177775
- Published by NHTSA: 2020\-08\-03
- Manufacturer's number: T\-SB\-0040\-16 Rev
- Manufacturer's date: 2020\-06\-21
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

TSB: This bulletin details the procedure for loading configuration data \(also known as As\-built data\) in the ECUs of 2016 ? 2020 model year Yaris Sedan Mexico\-produced and 2017 ? 2018 model year iA vehicles. It is not recommended to swap ECUs between vehicles. The configuration data must be loaded into the ECU when replacing one of the ECUs listed below: ?PCM \(Engine ECU\). ?TCM \(Transmission ECU\). ?IC \(Instrument Cluster or Combination Meter ECU\). ?SSU \(Smart Key ECU\). ?RCM \(Restraint Control Module/Airbag ECU\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177775-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177775-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2016 to 2020 TOYOTA YARIS
- 2017 to 2018 TOYOTA YARIS IA

## Recalls for the same vehicles and component

- [2021723](/recalls/tc/2021723.md), 2021-11-24: Electrical
- [19V319000](/recalls/nhtsa/19V319000.md), 2019-04-23: AIR BAGS:SIDE/WINDOW; ELECTRICAL SYSTEM:WIRING
- [2017363](/recalls/tc/2017363.md), 2017-07-20: Electrical

## Other bulletins for the same vehicles and component

- [T\-TT\-0790\-25](/bulletins/11022964.md), 2025-09-09, Service bulletin: ELECTRICAL SYSTEM. Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low.
- [T\-SB\-0058\-23 Rev1](/bulletins/11020657.md), 2025-07-10, Service campaign: ELECTRICAL SYSTEM. The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
- [T\-SB\-0057\-18](/bulletins/10238157.md), 2023-06-26, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system.
- [TSB004522Rev1](/bulletins/10224102.md), 2022-10-17, Service bulletin: PARKING BRAKE; ELECTRICAL SYSTEM; AIR BAGS. TSB: Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 01013E\), Entune? Audio Plus \(version 010156 or 01015C\), or Entune? Premium Audio \(versions 010171, 010170, or 01017D\) may exhibit one or more of the following conditions: ?Head unit reboots at a specific location. ?Abnormal Destination Search app operation. ?Rebooting caused by no songs on the USB\-connected iPhone. ?A one\-time reboot after ignition is cycled to ACC\-ON. ?Audio stays muted after the key is cycled. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 010144\), Entune? Audio Plus \(version 01015E\), Entune? Premium Audio \(version 010182\), or earlier may exhibit one or more of the following conditions: ?Head unit reboots intermittently. ?Home screen intermittently half blank after shifting out of reverse, if the driver uses reverse after using the maintenance reminder screen. ?Screen freezes during an incoming phone call. ?Incorrect time displays on the diagnostic menu. ?Radio station information does not match the radio station that is playing.?Abnormal playlist browsing operation. ?Mute stays enabled after key cycle. ??Search along my route? is inoperative. ?Traffic data scales improperly. ?Unit of measure is missing from distance to destination \(showing ?11? instead of ?11mi/km?\). ?Multi\-information display \(MID\) compass does not match navigation screen when switching to North up. ?Navigation does not match MID when switching from miles to kilometers. ?Speed limit is blank on navigation screen. ?Go button on VR screen is inoperative. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 010145\), Entune? Audio Plus \(version 010161\), Entune? Premium Audio \(version 010189\), or earlier may exhibit one of the following conditions: ?Map will not display after it has been reprogrammed from the map micro SD card. Updated system software is now
- [TSB004522Rev1](/bulletins/10220177.md), 2022-09-15, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. TSB: Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 01013E\), Entune? Audio Plus \(version 010156 or 01015C\), or Entune? Premium Audio \(versions 010171, 010170, or 01017D\) may exhibit one or more of the following conditions: ?Head unit reboots at a specific location. ?Abnormal Destination Search app operation. ?Rebooting caused by no songs on the USB\-connected iPhone. ?A one\-time reboot after ignition is cycled to ACC\-ON. ?Audio stays muted after the key is cycled.
- [T\-SB\-0045\-22](/bulletins/10211830.md), 2022-05-16, Service bulletin: VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; EQUIPMENT. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 01013E\), Entune? Audio Plus \(version 010156 or 01015C\), or Entune? Premium Audio \(versions 010171, 010170, or 01017D\) may exhibit one or more of the following conditions: ?Head unit reboots at a specific location. ?Abnormal Destination Search app operation. ?Rebooting caused by no songs on the USB\-connected iPhone. ?A one\-time reboot after ignition is cycled to ACC\-ON. ?Audio stays muted after the key is cycled. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 010144\), Entune? Audio Plus \(version 01015E\), Entune? Premium Audio \(version 010182\), or earlier may exhibit one or more of the following conditions: ?Head unit reboots intermittently. ?Home screen intermittently half blank after shifting out of reverse, if the driver uses reverse after using the maintenance reminder screen. ?Screen freezes during an incoming phone call. ?Incorrect time displays on the diagnostic menu. ?Radio station information does not match the radio station that is playing.?Abnormal playlist browsing operation. ?Mute stays enabled after key cycle. ??Search along my route? is inoperative. ?Traffic data scales improperly. ?Unit of measure is missing from distance to destination \(showing ?11? instead of ?11mi/km?\). ?Multi\-information display \(MID\) compass does not match navigation screen when switching to North up. ?Navigation does not match MID when switching from miles to kilometers. ?Speed limit is blank on navigation screen. ?Go button on VR screen is inoperative. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 010145\), Entune? Audio Plus \(version 010161\), Entune? Premium Audio \(version 010189\), or earlier may exhibit one of the following conditions: ?Map will not display after it has been reprogrammed from the map micro SD card. Updated system software is now avail
- [T\-TT\-0687\-22](/bulletins/10210373.md), 2022-04-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. TT: When customers have a concern about a discharged battery, no start, or general battery concern, the DCA\-8000 is the only appropriate tool to use for diagnosis
- [T\-SB\-0003\-22](/bulletins/10207963.md), 2022-02-14, Service bulletin: ELECTRICAL SYSTEM:WIRING. TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year Electronic Wiring Diagram \(EWD\) and/or Repair Manual.
- [T\-SB\-0003\-20 Rev](/bulletins/10188915.md), 2021-03-15, Service bulletin: ELECTRICAL SYSTEM. TSB: Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 01013E\), Entune? Audio Plus \(version 010156 or 01015C\), or Entune? Premium Audio \(versions 010171, 010170, or 01017D\) may exhibit one or more of the following conditions: ?Head unit reboots at a specific location. ?Abnormal Destination Search app operation. ?Rebooting caused by no songs on the USB\-connected iPhone. ?A one\-time reboot after ignition is cycled to ACC\-ON. ?Audio stays muted after the key is cycled. Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio \(version 010144\), Entune? Audio Plus \(version 01015E\), Entune? Premium Audio \(version 010182\), or earlier may exhibit one or more of the following conditions: ?Head unit reboots intermittently. ?Home screen intermittently half blank after shifting out of reverse, if the driver uses reverse after using the maintenance reminder screen. ?Screen freezes during an incoming phone call. ?Incorrect time displays on the diagnostic menu. ?Radio station information does not match radio station that is playing. ?Abnormal playlist browsing operation. ?Mute stays enabled after key cycle. ??Search along my route? is inoperative. ?Traffic data scales improperly. ?Unit of measure is missing from distance to destination \(showing ?11? instead of ?11mi?\). ?Multi\-information display \(MID\) compass does not match navigation screen when switching to North up. ?Navigation does not match MID when switching from miles to kilometers. ?Speed limit is blank on navigation screen. ?Go button on VR screen is inoperative. Updated system software is now available to address these conditions. Follow the Software Update Procedure in this bulletin to install the latest software version.
- [T\-TT\-0600\-20 Rev](/bulletins/10184555.md), 2020-12-21, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. TT: Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low. These settings may need to be reapplied any time the phone is paired to a new head unit, a phone update is applied, or the phone is un\-paired and re\-paired.

JSON: [/v1/bulletins/10177775](/v1/bulletins/10177775)

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