Lexus NX: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
ELECTRIC PARKING BRAKE SYSTEM| DTC No. | Detection Item | Memory | Note | Link |
|---|---|---|---|---|
| C1245 | Deceleration Sensor | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A0 | Open Circuit in Power Source Circuit | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A1 | Short Circuit in Power Source Circuit | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A2 | Engine Switch/Power Switch Malfunction | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A3 | Open or Short Circuit in Lock Switch Circuit | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A4 | Open or Short Circuit in Release Switch Circuit | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A5 | Electric Current of Motor | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A6 | Open or Short Circuit in Motor | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A7 | Actuator Malfunction | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13A9 | Brake System Malfunction | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13AA | EPB High Temperature | Yes | A message is displayed on the multi-information display indicating electric parking brake system operation is stopped due to high temperatures. | |
| C13AB | Lock Switch Circuit Comparison | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13AC | Release Switch Circuit Comparison | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13AD | Open in +B Circuit | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13AE | System Information not Received | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| C13B0 | Electric Parking Brake ECU Malfunction | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| U0073 | Control Module Communication Bus OFF | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| U0124 | Lost Communication With Lateral Acceleration Sensor Module | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| U0129 | Lost Communication with Brake System Control Module | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
| U0293 | Lost Communication with EV ECU | Yes | An electric parking brake system malfunction is displayed on the multi-information display. | |
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Deceleration Sensor (C1245)
DESCRIPTION The parking brake ECU assembly receives vehicle tilt information from the deceleration sensor (airbag ECU assembly) via CAN communication. DTC No. Detection Item DTC Detection Condi
Open Circuit in Power Source Circuit (C13A0,C13A5,C13B0)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13A0 Open Circuit in Power Source Circuit Both of following conditions are met:
Power switc
Short Circuit in Power Source Circuit (C13A1)
DESCRIPTION The following DTCs are stored when a malfunction occurs in the parking brake ECU assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13A1
SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manu
Daytime Running Light Relay Circuit
DESCRIPTION The illumination of the daytime running light (clearance light assembly) or clearance light is controlled by the headlight light control ECU sub-assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following
