HCU/LDC Control System DTCS
HCU/LDC CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC P0504 | Brake Switch 'A'/'B' Correlation |
| DTC P0A0F | Engine Failed to start |
| DTC P0A7D | Hybrid/EV Battery Pack State of Charge Low |
| DTC P0A94 | DC/DC Converter Performance |
| DTC P0C3A | DC/DC Converter Temperature Sensor 'A' Low |
| DTC P0C3B | DC/DC Converter Temperature Sensor 'A' High |
| DTC P1610 | Non-Immobilizer-EMS Connected to an Immobilizer |
| DTC P1679 | Immobilizer-EMS Data Fail (Data frame, CS, Message error) |
| DTC P1688 | Immobilizer Lock |
| DTC P1696 | Immobilizer-Authentication Fail |
| DTC P1744 | Transmission Engine Clutch System Performance |
| DTC P1790 | Variant Coding Error |
| DTC P17E0 | Engine Clutch System Refill failed |
| DTC P17E1 | Engine Clutch Actuator Angular Sensor Error |
| DTC P17E2 | Engine Clutch Actuator Electric H/W Fault |
| DTC P17E3 | Engine Clutch Actuator Electric Motor Short to Ground/VB |
| DTC P17E4 | Engine Clutch Actuator H/W Over Temp |
| DTC P17E5 | Engine Clutch Actuator Battery Error |
| DTC P17E6 | Engine Clutch Actuator Pressure Sensor Error |
| DTC P17E7 | Engine Clutch Actuator Travel Sensor Error |
| DTC P17E8 | Engine Clutch System Abnormal |
| DTC P17E9 | Engine Clutch Actuator Motor Overload |
| DTC P17EA | Engine Clutch Actuator Block Detection Error |
| DTC P17EB | Engine Clutch System Leakage Fail |
| DTC P17EC | Engine Clutch System End of Life Fault |
| DTC P17ED | Engine Clutch System EOL Fault |
| DTC P17EE | Engine Clutch System Functional Safety Fault |
| DTC P1A50 | LDC Temperature Sensor Open/Circuit High |
| DTC P1A51 | LDC Temperature Sensor Circuit Low |
| DTC P1A77 | Check Generator Belt |
| DTC P1A86 | Inappropriate and low SOC |
| DTC P1A88 | LDC Cooling System Fault |
| DTC P1A89 | LDC Current Sensor Fault |
| DTC P1A8A | DC/DC Converter Temperature Sensor Circuit Range/Performance Fail |
| DTC P1A8C | DC/DC Converter Input Current Over Fail |
| DTC P1A8D | DC/DC Converter Voltage Path Fault |
| DTC P25A2 | Brake System Control Module Requested MIL Illumination |
| DTC U0001 | High Speed CAN Communication Bus |
| DTC U0100 | Lost Communication with ECM/PCM 'A' |
| DTC U0101 | Lost Communication with TCM |
| DTC U0110 | Lost Communication With Drive Motor Control Module |
| DTC U0111 | Lost Communication With Battery Energy Control Module 'A' |
| DTC U0129 | Lost Communication With Brake System Control Module |
| DTC U0146 | Lost Communication With Gateway 'A' |
| DTC U0164 | Lost Communication with HVAC Control Module |
| DTC U0298 | Lost Communication with DC to DC Converter Control Module |
| DTC U1001 | High Speed CAN Communication Bus (H-CAN) |
| DTC U1002 | Lost Communication with ECM (H-CAN) |
| DTC U1003 | Lost Communication with TCM (H-CAN) |
| DTC U1005 | Lost Communication with Drive Motor Control Module (H-CAN) |
| DTC U1006 | Lost Communication with Battery Energy Control Module 'A' (H-CAN) |
| DTC U1010 | CAN Time Out with HCU and HCA on Local CAN |
| DTC U1011 | High Voltage Detected |
| DTC U1012 | High Speed CAN Communication Bus (L-CAN) |
| DTC U1310 | Lost Communication with On-board Charger |