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Toyota Prado Fault Codes


You can find common Toyota Prado 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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Toyota Prado 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 Toyota Prado has any recall notices on our sister site AutoRecalls.co, sorted by model year.

View Toyota Prado Recalls »
Recall Notice Icon

Error Icon P0046

Turbocharger/Supercharger Boost Control 'A' Circuit Range/Performance

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Error Icon P0400

Exhaust Gas Recirculation Flow Malfunction

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Error Icon P0047

Turbocharger/Supercharger Boost Control 'A' Circuit Low

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Error Icon P0500

Vehicle Speed Sensor Malfunction

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Error Icon P0412

Secondary Air Injection System Switching Valve A Circuit Malfunction

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Severity Icon 7/10

Error Icon P0110

Intake Air Temperature Circuit Malfunction

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Severity Icon 9/10

Error Icon P0299

Turbo / Super Charger Underboost

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Error Icon P0622

Generator Field F Control Circuit Malfunction

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Severity Icon 8/10

Error Icon P0340

Camshaft Position Sensor Circuit Malfunction

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Severity Icon 7/10

Error Icon P0401

Exhaust Gas Recirculation Flow Insufficient Detected

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Severity Icon 4/10

Error Icon P0102

Mass or Volume Air Flow Circuit Low Voltage Input

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Error Icon C1241

ABS Hydraulic Pressure Differential Switch Input Short Circuit To Ground

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Error Icon P0402

Exhaust Gas Recirculation Flow Excessive Detected

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Severity Icon 3/10

Error Icon P0441

Evaporative Emission Control System Incorrect Purge flow

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Error Icon P0480

Cooling Fan 1 Control Circuit Malfunction

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Severity Icon 6/10

Error Icon P0174

System Too Lean (Bank 2)

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Severity Icon 8/10

Error Icon P0106

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

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Error Icon P0133

O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)

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Severity Icon 4/10

Error Icon P0101

Mass or Volume Air flow Circuit Range/Performance Problem

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Error Icon P0125

Insufficient Coolant Temperature for Closed Loop Fuel Control

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Severity Icon 4/10

Error Icon P0031

Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 1

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Error Icon P0108

Manifold Absolute Pressure/Barometric Pressure Circuit High Input

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Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Severity Icon 4/10

Error Icon P0128

Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)

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Severity Icon 9/10

Error Icon U0100

Lost Communication With ECM/PCM "A"

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Severity Icon 7/10

Error Icon U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

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Severity Icon 5/10

Error Icon P0172

System Too Rich (Bank 1)

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Severity Icon 8/10

Error Icon P0113

Intake Air Temperature Circuit High Input

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Severity Icon 9/10

Error Icon P0012

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

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Error Icon P0328

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

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Error Icon P0330

Knock Sensor 2 Circuit (Bank 2)

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Severity Icon 3/10

Error Icon P0440

Evaporative Emission Control System Malfunction

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Severity Icon 3/10

Error Icon P0456

Evaporative Emissions System Small Leak Detected

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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 6/10

Error Icon P0069

MAP - Barometric Pressure Correlation

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Error Icon P0963

Pressure Control Solenoid A Control Circuit High

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Error Icon P0037

Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 2

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Error Icon P0038

Heated Oxygen Sensor (HO2S) Heater Circuit High Voltage Bank 1 Sensor 2

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Error Icon P1604

Code Word Unregestered

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Error Icon P1220

Series Throttle Control System Malfunction

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Error Icon P1605

Knock Control CPU.

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Error Icon P1601

Incorrect ECMITCM fitted to vehicle

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Error Icon P1271

Cylinder #1 High To Low Side Open

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Error Icon P1603

Transmission control module (TCM) – EEPROM malfunction

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Error Icon P1238

Fuel Pump Secondary Circuit Malfunction

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Error Icon P1229

Throttle motor – circuit malfunction

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Error Icon P1123

Accelerator pedal position (APP) sensor 1 – signal voltage high

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Error Icon P1251

Throttle motor relay – malfunction

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Error Icon P1116

Engine coolant temperature (ECT) sensor – signal out of range

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Error Icon P1121

Throttle position (TP) sensor/mass air flow (MAF) sensor – implausible signal

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Error Icon P1122

Accelerator pedal position (APP) sensor 1 – signal voltage low

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Error Icon B1801

Lamp Turn Signal Front Output Circuit Short To Ground

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Error Icon B1412

Driver Power Window Motor Circuit Short To Battery

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Error Icon C1259

Speed Wheel RF Comparison Failure

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Error Icon P1310

Igniter Circuit Malfunction - No. 2.

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Error Icon P1128

Heated oxygen sensors (H02S) 1 (upstream), bank 1/2

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Error Icon P1780

Transmission gear selection switch D-4 – circuit malfunction

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Error Icon P1300

Igniter Circuit Malfunction - No. 1.

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Error Icon P1305

EGR Calibration Low

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Error Icon P1315

Persistent Misfire

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Error Icon U0110

Lost Communication With Drive Motor Control Module

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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 7/10

Error Icon P219A

Bank 1 Air/Fuel Ratio Imbalance

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Severity Icon 4/10

Error Icon P0455

System Gross Leak Evaporative Emission

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Severity Icon 8/10

Error Icon P0304

Cylinder 4 Misfire Detected

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Error Icon B1421

Passenger Power Window Motor Circuit Short To Ground

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Severity Icon 8/10

Error Icon P0607

Control Module Performance

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Error Icon B1826

Wiper Rear High Limit Input Circuit Failure

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Error Icon B1821

Wiper Rear Motor Up Relay Coil Circuit Short To Ground

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Error Icon B1811

Lamp Backup Switch Input Circuit Open

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Error Icon B1800

Lamp Turn Signal Front Output Circuit Short To Battery

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Error Icon C1249

ABS Outlet Valve Coil RR Circuit Short To Ground

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Error Icon C1246

ABS Outlet Valve Coil RR Circuit Failure

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Toyota Prado Image

About the Prado

Dating back to 1984 (although at the time under a different moniker), the Land Cruiser Prado has been an incredibly successful vehicle that has undergone a number of changes.

Classed as a full-sized SUV, the Land Cruiser Prado can be purchased as either a three-door or a five-door and has had a number of different names depending upon the type of platform it used at the time; the LC150, LC120, LC70 and the LC90.

Replacing the J70 Land Cruiser in the USA, the first production generation launched in 1990 on a short wheelbase with four engine variants, three petrols and three diesels.

These models lasted just six years before the vehicle was redesigned and became more rounded with a longer body.

Toyota created a premium version, called the Challenger which had leather seats as standard and an entirely wood-paneled dashboard.

Fog lamps were added to the light cluster and vehicles of this time were capable of seating up to 8 passengers.

The UK saw the Land Cruiser Parado for the first time in 1996, although for Great Britain, Toyota changed the name to the Land Cruiser Colorado (and subsequently replaced the 4Runner).

Third generations had a better suspension system for improved off-roading and after releasing the new car in 2002, the Land Cruiser Prado now offered more engine options.

Six trim levels were available, from basic to high end, these levels were named the RX, RZ, TX, TX Limited, TZ and the TZ ‘G Selection.’ The latter had front heated seats, adjustable air suspension, heated mirrors and hill start assist control and downhill assist control.

Error codes associated with this car are:

  • P0400 – A generic code signaling that the engine exhaust gas recirculation is not working.
  • P0500 – A problem with the vehicle speed sensor.
  • P0335 – Signaling a problem with the crankshaft position sensor, this can happen for several reasons and its recommended to consult an expert.
  • P0093 – Showing a leak in the fuel system, this is a serious problem and should be dealt with immediately.
  • P0340 – This can be caused by corroded wires or a broken sensor and relates to the camshaft position sensor circuit.