NHTSA ID Number: 10129964
Manufacturer Communication Number: T-SB-0014-18
TSB/Document Date: 2018-03-12
Summary
TSB: Some 2016 model year Prius vehicles may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P1CB7A2 (Motor Generator System Voltage Low). The Hybrid
Vehicle Control Computer (ECU) logic has been modified. Follow the Repair Procedure in this bulletin to address this condition. NOTE This Service Bulletin applies to both Nickel-Metal Hydride (NiMH) and Lithium Ion (Li-ion) equipped 2016 Prius vehicles.
T-SB-0014-18
February 16, 2018
MIL "ON" DTC P1CB7A2
Service
Category
Vehicle Interior
Section
Meter/Gauge/Display
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2016
Prius
VDS(s): KARFU, KBRFU
Introduction
Some 2016 model year Prius vehicles may exhibit a MIL “ON” condition with Diagnostic Trouble
Code (DTC) P1CB7A2 (Motor Generator System Voltage Low). The Hybrid Vehicle Control
Computer (ECU) logic has been modified. Follow the Repair Procedure in this bulletin to address
this condition.
NOTE
This Service Bulletin applies to both Nickel-Metal Hydride (NiMH) and Lithium Ion (Li-ion) equipped
2016 Prius vehicles.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
HV BATTERY TYPE
PRODUCTION CHANGE EFFECTIVE VIN
Nickle-Metal Hydride (NiMH)
JTDKBRFU#G3012347
Lithium Ion (Li-ion)
JTDKARFU#G3014652
Prius
© 2018 Toyota Motor Sales, USA
Page 1 of 8
T-SB-0014-18
February 16, 2018
Page 2 of 8
MIL "ON" DTC P1CB7A2
3
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
EL1712
Reprogram HV ECU
0.4
89981- #####
EL1713
R & R Inverter Battery and Reprogram HV ECU
1.0
8598B-47010
T1
T2
8A
99
APPLICABLE WARRANTY
This repair is covered under the Toyota Hybrid Vehicle System Component Warranty. This
warranty is in effect for 96 months or 100,000 miles, whichever occurs first, from the vehicle’s
in-service date.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
Parts Information
PART NUMBER
PART NAME
HV BATTERY TYPE
PREVIOUS
NEW
Nickle-Metal Hydride (NiMH)
89981-47550
89981-47551
89981-47555
Lithium Ion (Li-ion)
89981-47570
89981-47571
QTY
1
Computer, Hybrid Vehicle Control
89981-47575
1
NiMH and Li-ion
8598B-47010
1
–
00451-00001-LB L
Authorized Modifications Labels
1
NOTE
The HV ECU should NOT be replaced as part of the Repair Procedure.
Authorized Modifications Labels may be ordered in packages of 25 from the Materials
Distribution Center (MDC) through Dealer Daily – Parts – Dealer Support Materials Orders.
© 2018 Toyota Motor Sales, USA
T-SB-0014-18
February 16, 2018
Page 3 of 8
MIL "ON" DTC P1CB7A2
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream 2.0*
QTY
TS2UNIT
Techstream Lite
ADE
TSLITEPDLR01
Techstream Lite (Green Cable)
1
TSLP2DLR01
* Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 12.20.024 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Use Techstream or an approved J2534 interface to perform flash reprogramming updates.
Visit techinfo.toyota.com for more information regarding J2534 reprogramming.
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
GR8 Battery Diagnostic Station*
00002-MCGR8
1
* Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
Calibration Information
HV ECU CALIBRATION ID
HV ECU SUPPLIER
Denso
HYBRID BATTERY TYPE
ECU TYPE
PREVIOUS
NEW
Main
899834734000
899834757000
899834734100
899834757100
899834734200
899834757200
899834734300
899834757300
899834734400
Sub
899854701000
899854707000
899854701100
899854707100
899854701200
899854707200
899854701300
Nickle-Metal Hydride
(NiMH)
© 2018 Toyota Motor Sales, USA
T-SB-0014-18
February 16, 2018
Page 4 of 8
MIL "ON" DTC P1CB7A2
Calibration Information (continued)
HV ECU CALIBRATION ID
HV ECU SUPPLIER
TMC
ECU TYPE
PREVIOUS
NEW
Main
899834751000
899834760000
899834751100
899834760100
899834751200
899834760200
899834751300
899834760300
899834751400
Sub
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TSB/Document ID: T-SB-0014-18
Replacement Service Bulletin Number:
MFR Communication Date: 2018-02-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:12V/24V/48V BATTERY
MFR Component System:
MFR Component Subsystem:
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