Lexus NX: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Electronically Controlled Brake System

DTC No.

Detection Item

INF Code

Note

Link

C1202

Master Reservoir Level Malfunction

371

-

-

C1203

ECM Communication Circuit

-

-

C1210

Zero Point Calibration of Yaw Rate Sensor undone

-

-

C1211

SLA Linear Solenoid

21

22

23

24

-

C1212

SLR Linear Solenoid

31

32

33

34

-

C1214

Hydraulic Control System Malfunction

431

432

433

434

435

436

437

438

-

C1225

SA1 Solenoid Circuit

41

42

43

44

-

C1226

SA2 Solenoid Circuit

51

52

53

54

-

C1227

SA3 Solenoid Circuit

61

62

63

64

-

C1228

STR Solenoid Circuit

71

72

73

74

-

C1231

Steering Angle Sensor Circuit

701

702

703

-

C1234

Yaw Rate Sensor

711

712

713

714

-

C1235

Foreign Object is Attached on Tip of Front Speed Sensor RH

541

-

C1236

Foreign Object is Attached on Tip of Front Speed Sensor LH

542

-

C1238

Foreign Object is Attached on Tip of Rear Speed Sensor RH

543

-

C1239

Foreign Object is Attached on Tip of Rear Speed Sensor LH

544

-

C1241

Low or High Power Supply Voltage

101

102

551

552

553

-

C1242

Open Circuit in IG1/IG2 Power Source Circuit

111

112

-

C1243

Deceleration Sensor Stuck

561

562

563

564

565

-

C1244

Open or Short Circuit in Deceleration Sensor Circuit

571

-

C1245

Abnormal Output in Deceleration Sensor

581

-

C1246

Master Cylinder Pressure Sensor

201

202

203

204

207

-

C1247

Stroke Sensor

211

212

213

214

215

216

217

218

219

220

221

222

223

-

C1249

Open Circuit in Stop Light Switch Circuit

231

-

C1252

Brake Booster Pump Motor on Time Abnormally Long

311

-

C1253

Pump Motor Relay

321

322

323

324

325

326

327

328

329

-

C1256

Accumulator Low Pressure

341

-

C1257

Power Supply Drive Circuit

361

362

-

C1259

HV Control System Regenerative Malfunction

-

-

C1271

Low Output Signal of Front Speed Sensor RH

-

-

C1272

Low Output Signal of Front Speed Sensor LH

-

-

C1273

Low Output Signal of Rear Speed Sensor RH

-

-

C1274

Low Output Signal of Rear Speed Sensor LH

-

-

C1275

Abnormal Change in Output Signal of Front Speed Sensor RH

-

-

C1276

Abnormal Change in Output Signal of Front Speed Sensor LH

-

-

C1277

Abnormal Change in Output Signal of Rear Speed Sensor RH

-

-

C1278

Abnormal Change in Output Signal of Rear Speed Sensor LH

-

-

C1279

Abnormal Output Voltage in Deceleration Sensor

-

-

C1281

Abnormal Output in Master Cylinder Pressure Sensor

-

-

C1290

Abnormal Zero Point of Steering Angle Sensor

751

-

C1300

Skid Control ECU Malfunction

-

-

C1310

HV System Malfunction

-

431

-

C1311

Open Circuit in Main Relay 1

1

-

C1312

Short Circuit in Main Relay 1

2

-

C1336

Zero Point Calibration of Deceleration Sensor undone

-

-

C1345

Linear Solenoid Valve Offset Learning undone

-

-

C1346

Abnormal Learning of Stroke Sensor Zero Point

-

-

C1348

Different Diameter Tire Malfunction

216

HINT:

Destination ECU: Hybrid vehicle control ECU

C1352

FR Solenoid

11

12

-

C1353

RR Solenoid

15

16

-

C1356

FL Solenoid

13

14

-

C1357

RL Solenoid

17

18

-

C1364

Wheel Cylinder Pressure Sensor

421

422

423

424

426

-

C1365

Accumulator Pressure Sensor

331

332

333

334

-

C1368

Linear Solenoid Valve Offset

-

-

C1380

Stop Light Relay Malfunction

761

762

-

C1381

Abnormal Power Supply Voltage in Yaw Rate and/or Deceleration Sensor

601

-

C1391

Abnormal Leak in Accumulator

351

-

C1392

Zero Point Calibration of Stroke Sensor undone

-

-

C13AF

EPB System Malfunction

420

EPB: Electric parking brake system

C1439

Steering Angle Sensor Initialization Incomplete

752

-

C1440

Steering Angle Sensor Unusual Bank Angle Detected

-

-

C1442

Invalid Data Received from Deceleration Sensor

572

-

C1443

Invalid Data Received from Yaw Rate Sensor

715

-

C1445

Vehicle Driven with Steering Angle Sensor not Initialized

753

-

C1451

Motor Drive Permission Malfunction

-

-

C1464

Front Speed Sensor RH Circuit

501

502

503

504

506

507

508

-

C1465

Front Speed Sensor LH Circuit

511

512

513

514

516

517

518

-

C1466

Rear Speed Sensor RH Circuit

521

522

523

524

526

527

528

-

C1467

Rear Speed Sensor LH Circuit

531

532

533

534

536

537

538

-

U0073

Control Module Communication Bus OFF

461

462

463

464

465

466

-

U0120

Lost Communication With Starter / Generator Control Module

471

-

U0123

Lost Communication With Yaw Rate Sensor Module

731

732

-

U0124

Lost Communication With Lateral Acceleration Sensor Module

591

592

-

U0126

Lost Communication With Steering Angle Sensor Module

741

742

-

U0128

Lost Communication With EPB Module

425

EPB: Electric parking brake system

U0293

Lost Communication With Hybrid Vehicle Control System

411

412

413

-

READ NEXT:

 Master Reservoir Level Malfunction (C1202)

DESCRIPTION When a fluid level drop in the brake master cylinder reservoir assembly is detected, a signal is sent to the skid control ECU (brake booster with master cylinder assembly). If a DTC for th

 ECM Communication Circuit (C1203)

DESCRIPTION This circuit is used to send TRAC and VSC information from the skid control ECU (brake booster with master cylinder assembly) to the hybrid vehicle control ECU, and hybrid control system i

 Zero Point Calibration of Yaw Rate Sensor undone (C1210,C1336)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) receives signals from the yaw rate and acceleration sensor (airbag ECU assembly) via CAN communication. The airbag ECU as

SEE MORE:

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an ASC system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on.

 Lost Communication with Front Camera Module (U023A)

DESCRIPTION These DTCs are stored when the CAN communication system is malfunctioning. DTC No. Detection Item DTC Detection Condition Trouble Area U023A Lost Communication with Front Camera Module The main body ECU (multiplex network body ECU) does not receive data from the forward

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