Service bulletin PS548

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10133173
Published by NHTSA	2018-04-16
Manufacturer's number	PS548
Manufacturer's date	2018-03-02
NHTSA component	ELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

PITSTOP - EXTRACTING BMS DATA FOR RANGE CONCERNS PRIOR TO PERFORMING UPDATES - For any customers experiencing a range concern with their vehicle, all Battery Management System (BMS) current data should be extracted and reviewed to verify the current battery State of Health (SOH) before performing any updates.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, 12-volt battery

Vehicles listed
KIA SOUL	2018
KIA SOUL EV	2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSBELE140_R1	2018-08-06. Service bulletin. TSB - SERVICE ACTION: BATTERY MANAGEMENT SYSTEM (BMS)LOGIC IMPROVEMENT (SA302) - This bulletin has been revised to include additional information. This bulletin provides information related to the Battery Management System (BMS) software upgrade to improve the battery monitoring logic on some 2017MY Soul EV (PS EV) vehicles, produced from July 11, 2016 through June 21, 2017.
TSBELE134_R1	2018-08-06. Service bulletin. TSB - Combination TSB/SA: Battery Management System (BMS) Logic Improvement (ELE134/SA297) (Rev 1) - This bulletin has been revised to include additional information. This bulletin provides information related to the Battery Management System (BMS) logic improvement for some 2015-2016MY Soul EV (PSEV) vehicles, produced from July 15, 2014 through May 15, 2016, which may experience an inoperative reserved climate control system (set climate pre-conditioning times) when the vehicle is stored at low temperatures without power-on for a certain period of time and/or a charging concern after use of the reserved climate control.
TSB-ELE044R1	2017-08-02. Service bulletin. TSB: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - This bulletin outlines the ordering and return procedure for high-voltage Lithium-ion batteries equipped on EV/hybrid vehicles (hereafter referred to as "high-voltage batteries" or HVBs). Every Kia-approved EV/hybrid dealership?s parts and service departments should follow these procedures to ensure the fastest handling time and to minimize the possibility of charge-backs.
PS408	2017-01-30. Service bulletin. "PITSTOP: CHECKING FOR BATTERY STATE OF HEALTH (SOH) AFTER RANGE PERFORMANCE COMPLAINTS - WHEN ENCOUNTERING CUSTOMER COMPLAINTS RELATED TO LOWER THAN EXPECTED RANGE PERFORMANCE FROM THE VEHICLE, CHECK AND RECORD THE BATTERY STATE OF HEALTH (SOH) UNDER THE BMS > CURRENT DATA SCREEN (SEE BELOW), USING GDS/KDS. THIS DATA WILL NEED TO BE SUPPLIED WHEN OPENING A TECHLINE CASE. IN ADDITION, INCLUDE INFORMATION ON THE CUSTOMER’S DRIVING PATTERNS, FOR EXAMPLE: CITY VS HIGHWAY DRIVING, AVERAGE DRIVING SPEED AND AVERAGE DISTANCE TRAVELED PER KEY CYCLE. "
TSBELE065R1	2017-01-27. Service bulletin. TSB: 12V AND HIGH-VOLTAGE (HV) BATTERY RECEIVING INSPECTION AND IN STORAGE MAINTENANCE - THIS BULLETIN OUTLINES THE PROCEDURE FOR CHARGING THE 12V AND THE HIGH-VOLTAGE (HV) BATTERIES ON SOUL EV (PS EV) VEHICLES WHILE IN DEALER INVENTORY. ALWAYS ENSURE THE VEHICLES ARE REGULARLY CHECKED AND MAINTAINED PER THE IN-STOCK VEHICLE MAINTENANCE INSTRUCTION AND RECORD SHEET. KEEP THE SHEET UP TO DATE BY RECORDING ALL MAINTENANCE ITEMS AS THEY ARE PERFORMED. KEEPING THE FORM (OR A COPY) IN THE VEHICLE WILL ALLOW FOR EASY SPOT-CHECKING, AS WELL AS DEMONSTRATING PROPER MAINTENANCE AND RECORD KEEPING TO POTENTIAL CUSTOMERS. FOLLOW THE SERVICE PROCEDURE OUTLINED IN THIS BULLETIN TO KEEP THE BATTERIES PROPERLY CHARGED, AT ALL TIMES, TO PREVENT A POSSIBLE REDUCTION IN SERVICE LIFE OR PREMATURE FAILURE OF THE BATTERIES.