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Lexus CT Fault Codes


You can find common Lexus CT fault codes on this page that when clicked take you to a detailed description.

You can also type in the fault code you are getting below to find a more detailed description.

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Lexus CT Recalls

When a car manufacturer detects a problem with a model they put out a recall notice and more often than not offer to fix the problem free of charge.

You can check to see if your Lexus CT has any recall notices on our sister site AutoRecalls.co, sorted by model year.

View Lexus CT Recalls ยป
Recall Notice Icon
Severity Icon 6/10

Error Icon P0174

System Too Lean (Bank 2)

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Error Icon P0117

Engine Coolant Temperature Circuit Low Input

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Error Icon P0125

Insufficient Coolant Temperature for Closed Loop Fuel Control

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Error Icon P0990

Transmission Fluid Pressure Sensor/Switch E Circuit High

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Severity Icon 9/10

Error Icon P0300

Random/Multiple Cylinder Misfire Detected

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Error Icon P0327

Knock Sensor 1 Circuit low Input (Bank 2 or Single Sensor)

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Error Icon P0368

Camshaft Position Sensor B Circuit High Input (Bank 2)

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Error Icon P0346

Camshaft Position Sensor A Circuit Range/Performance (Bank 2)

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Severity Icon 4/10

Error Icon P0137

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

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Error Icon P0156

O2 Sensor Circuit Malfunction (Bank 2 Sensor 2)

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Error Icon P0157

O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2)

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Severity Icon 6/10

Error Icon P0135

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

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Severity Icon 6/10

Error Icon P0158

O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)

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Error Icon P0116

Engine Coolant Temperature Circuit Range/Performance Problem

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Severity Icon 7/10

Error Icon P0401

Exhaust Gas Recirculation Flow Insufficient Detected

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Error Icon P0330

Knock Sensor 2 Circuit (Bank 2)

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Error Icon P0348

Camshaft Position Sensor A Circuit High Input (Bank 2)

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Severity Icon 3/10

Error Icon P0446

Evaporative Emission Control System Vent Control Circuit Malfunction

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Severity Icon 3/10

Error Icon P0456

Evaporative Emissions System Small Leak Detected

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Severity Icon 7/10

Error Icon P0430

Catalyst System Efficiency Below Threshold (Bank 2)

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Severity Icon 3/10

Error Icon P0440

Evaporative Emission Control System Malfunction

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Error Icon P0660

Intake Manifold Tuning Valve Control Circuit (Bank 1)

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Error Icon P0770

Shift Solenoid E Malfunction

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Severity Icon 8/10

Error Icon P0776

Pressure Control Solenoid B Performance or Stuck off

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Error Icon P0773

Shift Solenoid E Electrical

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Severity Icon 8/10

Error Icon P0778

Pressure Control Solenoid B Electrical

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Error Icon P0983

Shift Solenoid D Control Circuit High

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Error Icon P1566

Cruise Control Main Switch Circuit Malfunction

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Error Icon B1581

Dim Panel Increase Input Circuit Short To Battery

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Error Icon P1126

Magnetic Clutch Circuit Malfunction

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Severity Icon 3/10

Error Icon P2099

Post Catalyst Fuel Trim System Too Rich Bank 2

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Error Icon P2098

Post Catalyst Fuel Trim System Too Lean Bank 2

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Error Icon P1765

Timing Solenoid Circuit Malfunction

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Error Icon P1125

Throttle Control Motor Circuit Malfunction

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Error Icon P1128

Throttle Control Motor Lock Malfunction

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Error Icon P1350

VVT Sensor Circuit Malfunction (Bank 2)

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Error Icon P1360

Ignition Coil A Secondary Circuit Malfunction

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Error Icon P1325

Igniter Circuit Malfunction (No. 6)

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Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Error Icon C1241

ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground

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Error Icon C1201

ABS Inlet Valve Coil LF Circuit Short To Ground

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Error Icon B1421

Passenger Power Window Motor Circuit Short To Ground

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Error Icon B2416

Climate Control Recirculation Actuator Out of Limits

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Error Icon B1861

Climate Control A/C Pressure Switch Circuit Short To Ground

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Error Icon B1650

Seat Driver Recline Forward Circuit Short To Ground

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Error Icon C1249

ABS Outlet Valve Coil RR Circuit Short To Ground

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Severity Icon 8/10

Error Icon C1223

Lamp Brake Warning Output Circuit Failure

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Error Icon C1203

ABS Outlet Valve Coil Rear Circuit Open

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Error Icon P1155

Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

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Error Icon P1130

Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 1 Sensor 1)

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Severity Icon 4/10

Error Icon P0128

Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)

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Error Icon P0500

Vehicle Speed Sensor Malfunction

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Severity Icon 3/10

Error Icon P0441

Evaporative Emission Control System Incorrect Purge flow

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Error Icon P2197

O2 Sensor Signal Stuck Lean - Bank 2 Sensor 1

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Error Icon P0353

Ignition Coil C Primary/Secondary Circuit Malfunction

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Error Icon P0057

Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 2 Sensor 2

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Error Icon P1135

Air/Fuel Ratio Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

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Error Icon P1354

VVT System Malfunction (Bank 2)

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Error Icon U0126

Lost Communication with Fuel Pump Control Module (FPCM)

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Error Icon P1604

Code Word Unregestered

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Error Icon P1349

VVT System Malfunction (Bank 1)

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Error Icon P1300

Igniter Circuit Malfunction (Bank 1 Or No. 1)

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Error Icon P1346

VVT Sensor Rang/Performance Problem (Bank 1)

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Error Icon P1603

EEPROM Malfunction

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Error Icon P1121

Accelerator Pedal Position Sensor Range/Performance Problem

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Error Icon P1133

Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 1 Sensor 1)

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Error Icon P1150

Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction (Bank 2 Sensor 1)

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Severity Icon 7/10

Error Icon P0010

Intake Camshaft Position Actuator Circuit / Open (Bank 1)

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Severity Icon 9/10

Error Icon P0011

Intake Camshaft Position Timing - Over-Advanced (Bank 1)

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Severity Icon 9/10

Error Icon P0012

Intake Camshaft Position Timing - Over-Retarded (Bank 1)

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Severity Icon 7/10

Error Icon P0013

Exhaust Camshaft Position Actuator Circuit / Open (Bank 1)

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Severity Icon 8/10

Error Icon P0014

Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)

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Severity Icon 8/10

Error Icon P0016

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

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Severity Icon 8/10

Error Icon P0017

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor B

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About the CT