EV manufacturer
Hyundai EV diagnostics
Browse in-scope 2021+ battery-electric and plug-in hybrid model families, plus evidence-labelled diagnostic records.
8 model families92 verified3 accepted research
Hyundai IONIQ 5Models
Hyundai Elantra
PHEV · 2021
0 verified applicable recordsHyundai Ioniq
BEV · 2021–2022
0 verified applicable recordsHyundai Ioniq 5
BEV · 2022–2027
4 verified applicable recordsHyundai Ioniq 6
BEV · 2023–2027
4 verified applicable recordsHyundai Ioniq 9
BEV · 2026–2027
1 verified applicable recordsHyundai Kona
BEV · 2021–2025
77 verified applicable recordsHyundai Santa Fe
PHEV · 2022–2023
19 verified applicable recordsHyundai Tucson
PHEV · 2022–2026
4 verified applicable recordsVerified Manufacturer-level verified records
These records passed the verified evidence gate. Model applicability is shown only where separately supported.
C1000LF HEV/PHEV MENU PASSWORD LF HEV/PHEV BSD 95811/21-E6000 6000 #442-DMA(AN) MENU PASSWORD DMA BSD 95811/21-4Z000 4000 #443-NC MENU PASSWORD NC BSD 95811/21-B8000 8000 Service ProcedP1B77High Voltage Battery Precharging Fault DTC P1B25 - Hybrid Battery Safety Plug Or Fuse Circuit NOTE: This bulletin does not apply for just a DTC P1B77 or P1B25, it must also haveP1B25Hybrid Battery Safety Plug Or Fuse Circuit NOTE: This bulletin does not apply for just a DTC P1B77 or P1B25, it must also have P1BA7. This bulletin’s Service Procedure will convertB1621ECU Defect/ErrorP0630All 2005 or later model year Hyundai vehicles SUBJECT : Do not exchange an ECM/PCM from another vehicle as a permanent repair. If the module has to be replaced, a new service replaC2412> if present withC1112safe relay fault First erase DTC, then check wiring and connector at ECU. C1705 ECU hardware error C1604 ECU over/discharge error C2413 ECU hardware error C2400 Motor signal errorC1260setting error C1290 Torque sensor signal error First erase DTC, then check wiring and connector condition. If DTC returns, replace column & housing assembly. C1112 Torque sensor voC1259> if present with these DTCs, replace column and housing assembly. If DTC returns, replace MDPS ECU. C1687 CAN time out VSM C1688 VSM signal error If DTC returns and MDPS is inopC1623> if present with these DTCs, replace column and housing assembly. If DTC returns, replace MDPS ECU. C1687 CAN time out VSM C1688 VSM signal error If DTC returns and MDPS is iC1290safe relay fault First erase DTC, then check wiring and connC1704safe relay fault First erase DTC, then check wiring and connector at ECU. C1705 ECU hardware error C1604 ECU over/discharge error C2413 ECU hardware error C2400 Motor signal errorC1261setting error C1290 Torque sensor signal error First erase DTC, then check wiring and connector condition. If DTC returns, replace column & housing assembly. C1112 Torque sensor voP07302012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP0733This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear). DTC Description P0731P0729002012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP0736002012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP0730002012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP0734This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipping more than 200 rpm in gear). DTC Description P0731P076F2012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP076F002012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP0735002012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2P0734002012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~P0733002012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~P07362012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP07352012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2P07292012~17 2018~ 2011 2012~17 2011~16 2017~ 2013~14 2013~17 2018~ 2018~ 2007~12 2013~18 2013~19 2020~ 2019~ 2011~14 2015~ 2011~15 2016~ 2010~15 2016~ 2013~15 2019~ Accent (RB) AccentP07430019-AT-016H Page 9 of 9 29. Select the type of solenoid from the drop-down menu. Select OK. 30. Input the 8-digit code recorded in Step 16 in the blank spaces in the GDS. Select OKP07530019-AT-016H Page 9 of 9 29. Select the type of solenoid from the drop-down menu. Select OK. 30. Input the 8-digit code recorded in Step 16 in the blank spaces in the GDS. Select OKP07480019-AT-016H Page 9 of 9 29. Select the type of solenoid from the drop-down menu. Select OK. 30. Input the 8-digit code recorded in Step 16 in the blank spaces in the GDS. Select OKP07410019-AT-016H Page 9 of 9 29. Select the type of solenoid from the drop-down menu. Select OK. 30. Input the 8-digit code recorded in Step 16 in the blank spaces in the GDS. Select OKC2703005-1 for available down level BSD/BCW replacement parts. NOTICE BLIND SPOT DETECTIONS (BSD) OR BLIND-SPOT COLLISION WARNING (BCW) TSB #: 19-BE-011H-1 Page 2 of 11 SUBJECT: Tools RC2702005-1 for available down level BSD/BCW replacement parts. NOTICE BLIND SPOT DETECTIONS (BSD) OR BLIND-SPOT COLLISION WARNING (BCW) TSB #: 19-BE-011H-1 Page 2 of 11 SUBJECT: Tools RP0731002012~17P075800A) Shift solenoid E (28) P2709 P270900 N/A Shift solenoid F (SS-A) 2. If any of the DTC on Page 1 are found, refer to the appropriate shop manual, AP0748A) ShiP0753A) Shift solenoid E (28) P2709 P270900 N/A Shift solenoid F (SS-A) 2. If any of thP0758A) Shift solenoid E (28) P2709 P270900 N/A Shift solenoid F (SS-A) 2. If any of the DTC on Page 1 are found, refer to the appropriate shop mP0731AT-012H to revise the AD/ADa model years. Description: This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipP0732002012~17 2018~ 2011 2012~17 2011~16 2017~19 20P0732AT-012H to revise the AD/ADa model years. Description: This TSB provides a procedure to diagnose and repair a transaxle for the following Incorrect Ratio DTC (transaxle clutch slipC1604MDPS ECU (or Power Pack Assy). If DTC returns, replace C-MDPS motor (if appC1616MDPS assy is not to be replaced. C1612, C1646 TCU signal error Check TCU and associated wiring. C1628, C1656 Instrument cluster signal errorC1603MDPS ground. Check EMS CAN line. C1616 CAN BUS OFF Check the chassis CAN line. C1622 VehicleC1688MDPS ECU (or Power Pack Assy). If DTC returns and MDPS operation is normal, continue investigation into wiring issues. For TMa, if C1688 occurs along wit h C1700, replace Power PacC2401MDPS ECU (or Power Pack Assy). If DTC returns, replace C-MDPS motor (if applicable). C1623 CAN time out SAS 1. Check C-MDPS power connector and fuse. 2. Check C-MDPS ground line. 3C1693MDPS assC1697MDPS assy is not to be replaced. C1612, C1646 TCU signal error Check TCU and associated wiring. C1628, C1656 Instrument cluster signal error Check instrument cluster and associatedC2400MDPS ECU (or Power Pack Assy). If DTC returns, replace C-MDPS motor (if applicable). C1623 CAN time out SAS 1. Check C-MDPS power cC1611MDPS ground. Check EMS CAN line. C1616 CAN BUS OFF Check the chassis CAN line. C1622 Vehicle speed signal error Check the EMS (Engine ECU). C1696, C1697 SPAS signal error Check SPAC1622MDPS assy is not to be replaced. C1612, C1646 TCU signal error Check TCU and associated wiring. C1628, C1656 Instrument cluster signal error Check instrument cluster and associatedC1705MDPS ECU (or Power Pack Assy). If DTC returns, repC1687MDPS ECU (or Power Pack Assy). If DTC returns and MDPS operation is normal, continue investigation into wiring issues. For TMa, if C1688 occurs along wit h C1700, replace Power PacC2413MDPS ECU (or Power Pack Assy). If DTC returns, replace C-MDPS motor (if applicable). C1623 CAN time out SAC1696MDPS assy is not to be replaced. C1612, C1646 TCU signal error Check TCU and associated wiring. C1628, C1656 Instrument cluster signal error Check instrument cluster and associatedC1700MDPS COMPONENT REPLACEMENT INFORMATION TSB #: 20-ST-001H-1 Page 9 of 13 SUBJECT: SUBJECT: Torque Angle Sensor (TAS) Wiring Inspection In the presence of DTC C1259 (steering angle sC1613MDPS connectors and wiring. 2. Erase DTC(s) and re-check. 3. If DTC(s) still present, follow these recommended repairs. Replace short-gear assembly. Check DTC(s) and WiringC1102Inspect 12V charging system & battery C1603 – Thermal protection. Wait 20-30 seconds for the system to cool down. 2015-2017MY SONATA (LFA, LF HEV/PHEV) MDPS (WARRANTY EXTENSION TXXC1612MDPS ECU. Replace the C- MDPS motor. Replace torque sensor cable first. If DTCs persist, then replace the column & housing assy. Check DTC(s) and Wiring at HECU / C-MDPS / EMS • ChU004688High Pressure EOP (HP EOP): Refer to the related shop manual to diagnose the DTC. If no wiring harness issues are found, replace the DCT. Model DTC Description 2022~ 2022~ 2022~ 20P193B79High Flow EOP (HF EOP): Model Op Code Operation Op. Time Causal Part Nature Code Cause Code Elantra N (CN7 N) 2.0T Kona N (OS N)P1C2E92High Flow EOP (HF EOP): Model Op Code Operation Op. Time Causal Part Nature Code Cause Code Elantra N (CN7 N) 2.0T Kona N (OS N) 2.0T Santa Cruz (NXT) 2.5T Santa Fe (TM) 2.5T SonatU111788High Pressure EOP (HP EOP): Refer to the related shop manual to diagnose the DTC. If no wiring harness issues are found, replace the DCT. Model DTC Description 2022~ 2022~ 2022~ 20P193D13Open circuit P193D1D HF E OP System Fault - Current sensor failure P193D29 HF EOP System Fault - Hall sensor failure U111788 U004688 CAN2 BUS OFF + CAN3 BUS OFF together U113508 CAP193D19Over current P193E71 HF EOP Performance – EOP stuck P193D96 HF EOP System Fault - Internal fault P193D13 HF EOP System Fault – Open circuit P193D1D HF E OP System Fault - Current sP1C2D03High Flow EOP (HF EOP): Model Op Code Operation Op. Time Causal Part Nature Code Cause Code Elantra N (CN7 N) 2.0T Kona N (OS N) 2.0T Santa Cruz (NXT) 2.5T Santa Fe (U113508High Pressure EOP (HP EOP): Refer to the related shop manual to diagnose the DTC. If no wiring harness issues are found, replace the DCT. Model DTC Description 2022~ 2022~ 2022~ 20P1C2D1CHigh Flow EOP (HF EOP): Model Op Code Operation Op. Time Causal Part Nature Code Cause Code Elantra N (CN7 N) 2.0T Kona N (OS N) 2.0T Santa Cruz (NXT) 2.5T Santa Fe (TM) 2.5T SonatP193D1DCurrent sensor failure P193D29 HF EOP System Fault - Hall sensor failure U111788 U004688 CAN2 BUS OFF + CAN3 BUS OFF together U113508 CAN communication error between the TCU and HFP193D4BOver temperature P193D19 HF EOP System Fault - Over current P193E71 HF EOP Performance – EOP stuck P193D96 HF EOP System Fault - Internal fault P193D13 HF EOP System Fault – Open cP193E71EOP stuck P193D96 HF EOP System Fault - Internal fault P193D13 HF EOP System Fault – Open circuit P193D1D HF E OP System Fault - Current sensor failure P193D29 HF EOP System FaultP193D96Internal fault P193D13 HF EOP System Fault – Open circuit P193D1D HF E OP System Fault - Current sensor failure P193D29 HF EOP System Fault - Hall sensor failure U111788 U004688 CAP193D29Hall sensor failure U111788 U004688 CAN2 BUS OFF + CAN3 BUS OFF together U113508 CAN communication error between the TCU and HF EOP DTC INFORMATION: High Pressure EOP (HP EOP): RefP1C2E4BHigh Flow EOP (HF EOP): Model Op Code Operation Op. Time Causal Part Nature Code Cause Code Elantra N (CN7 N) 2.0T Kona N (OS N) 2.0T Santa Cruz (NXT) 2.5T Santa Fe (TM) 2.5T SonatC1313Right front TPMS sensor RF channel failure C1314: Left rear TPMS sensor RF channel failure C1315: Right rear TPMS sensor RF channel failure C1662: Auto-learning failure The TPMS syC1315Left front TPMS sensor RF channel failure C1313: Right front TPMS sensor RF channel failure C1314: Left rear TPMS sensor RF channel failure C1315: Right rear TPMS sensor RF channelC1314Left rear TPMS sensor RF channel failure C1315: Right rear TPMS sensor RF channel failure C1662: Auto-learning failure The TPMS system can be inspected by performing the TPMS RecepC1312C1315, and C1662. C1312: Left front TPMS sensor RF channel failure C1313: Right front TPMS sensor RF channel failure C1314: Left rear TPMS sensor RF channel failure C1315: Right reDC/DC Converter Input Voltage Sensor FaultDC/DC Converter Input Voltage Sensor FaultPower is limitedPower is limitedP1441Purge Condition) a. Misdiagnosis due to insufficient margin of pressure deviation when driving at constant speed with low engine load i. Logic improvement to eliminate misdiagnosisP1A77Check Generator BeltP0846PARTIAL REPAIR OF IVT & RELEARN ADAPTIVE VALUES TSB #: 23-AT-010H Page 6 of 7 SUBJECT: SUBJECT: 2. Input “76” for the pressure sensor characteristic value and then press “OK”. PRESP0867PARTIAL REPAIR OF IVT & RELEARN ADAPTIVE VALUES TSB #: 23-AT-010H Page 6 of 7 SUBJECT: SUBJECT: 2. Input “76” for the pressure sensor characteristic value and then press “OK”. PRESP0845PARTIAL REPAIR OF IVT & RELEARN ADAPTIVE VALUES TSB #: 23-AT-010H Page 6 of 7 SUBJECT: SUBJECT: 2. Input “76” for the pressure sensor characteristic value and then press “OK”. PRESP0722No signal Solenoid DTC Description P0743 P074300 Torque converter solenoid (TC) P0748 P074800 Pressure controC2721System Calibration Required LDWS (Lane Departure Warning System). This TSB includes repair justification in the form of automatically uplP2237Model OP1AA8Some IONIQ 9 (ME1A EV) vehicles may illuminate a MIL warning light with DTC P0AA600 and/or P1AA8 00 with limited charging capabilities. This bulletin provides instructions to replaP0707Range switch - open circuit ?P0708 - Range switch - short circuit or multiple inputs ? Symptoms: ?Malfunction Indicator Light (MIL) illumP0706Range switch range/performance ?P0707 - Range switch - open circuit ?P0708 - Range switch - short circuit or multiple inputs ? Symptoms:P0705Range switch sensor circuit ?P0706 - Range switch range/performance ?P0707 - Range switch - open circuit ?P0708 - Range switch - short ci
Accepted Research Accepted research
These curated research findings are useful for discovery but are not yet treated as verified canonical diagnostics.
P1A9096IONIQ 5 (2022–2023): Fault in the input voltage sensor of the DC/DC converter inside the ICCU. 12 V battery charging may be interrupted.
P1A9096IONIQ 6 (2023): Fault in the input voltage sensor of the DC/DC converter inside the ICCU. 12 V battery charging may be interrupted.
P1BADIONIQ 5 (2022–2023): The charge-port temperature is excessively high. Charging may stop before completion.