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Mazda Mazda3 Fault Codes

You can find common Mazda Mazda3 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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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 Mazda Mazda3 has any recall notices on our sister site AutoRecalls.co, sorted by model year.

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Common Mazda3 Fault Codes

These are the most common Mazda3 fault codes that people are searching for.

Severity Icon 7/10

Error Icon P2096

Post Catalyst Fuel Trim System Too Lean Bank 1

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Error Icon P0882

TCM Power Input Signal Low

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Error Icon P0661

Intake Manifold Tuning Valve Control Circuit Low (Bank 1)

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Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Error Icon P0328

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

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Severity Icon 6/10

Error Icon P0138

O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)

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Error Icon U0101

Lost Communication with TCM

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Error Icon P0421

Warm Up Catalyst Efficiency Below Threshold (Bank 1)

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Error Icon B1318

Battery Voltage Low

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Error Icon B1261

Solar Radiation Sensor Circuit Short To Ground

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Error Icon B1998

Passenger Sid, Side mount Airbag Circuit Open

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Error Icon P0443

Evaporative Emission Control System Purge Control Valve circuit Malfunction

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Severity Icon 9/10

Error Icon U0073

Control Module Communication Bus "A" Off

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Error Icon U0140

Lost Communication With Body Control Module

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Severity Icon 3/10

Error Icon P0442

Evaporative Emission Control System Leak Detected

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Severity Icon 4/10

Error Icon P0455

System Gross Leak Evaporative Emission

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Severity Icon 3/10

Error Icon P0456

Evaporative Emissions System Small Leak Detected

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Error Icon P0753

Shift Solenoid A Electrical/1-2 Shift Solenoid Circuit Electrical

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Error Icon P0506

Idle Control System RPM lower Than Expected

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Severity Icon 7/10

Error Icon P0134

O2 Sensor Circuit No Activity Detected (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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Severity Icon 4/10

Error Icon P0128

Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature)

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Error Icon P0500

Vehicle Speed Sensor Malfunction

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Severity Icon 8/10

Error Icon P0340

Camshaft Position Sensor Circuit Malfunction

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Error Icon P0139

O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)

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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 P1260

THEFT Detected, Vehicle Immobilzed

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Error Icon P1336

Crank / Cam Sensor Range / Performance

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Error Icon P1261

Cylinder #1 High To Low Side Short

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Error Icon P1264

Cylinder #4 High To Low Side Short

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Error Icon P1180

Fuel Delivery System Malfunction - Low

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Error Icon P1181

Fuel Delivery System Malfunction - High

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Error Icon P1412

EGR Different Pressure Sensor Signal too Low

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Error Icon P1632

CAN data bus OFF

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Error Icon P2610

ECM/PCM Internal Engine Off Timer Performance

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Error Icon P0353

Ignition Coil C Primary/Secondary 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 5/10

Error Icon P2187

System Too Lean at Idle DTC

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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 B1994

Driver Sid, Side mount Airbag Circuit Open

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Severity Icon 8/10

Error Icon P0304

Cylinder 4 Misfire Detected

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Severity Icon 9/10

Error Icon P0126

Insufficient Coolant Temperature for Stable Operation

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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 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Error Icon P2195

O2 Sensor Signal Stuck Lean Bank 1 Sensor 1

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Severity Icon 7/10

Error Icon P0430

Catalyst System Efficiency Below Threshold (Bank 2)

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Severity Icon 7/10

Error Icon U0155

Lost Communication With Instrument Panel Cluster (IPC) Control Module

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Error Icon U0401

Invalid Data Received From ECM/PCM

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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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Error Icon P1250

PRC Solenoid Circuit Malfunction

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Error Icon P1345

SGC (Cam Position) Sensor Circuit Malfunction/ Crankshaft Position - Camshaft Position Correlation

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Error Icon P1487

EGRCHK Solenoid Circuit Malfunction

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Error Icon P1401

Fuel tank leakage diagnostic module -system malfunction

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Error Icon P1518

Intake Manifold Runner Control (Stuck Open)

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Error Icon P1000

System readiness test not complete

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Error Icon P1569

Cruise control switch Incorrect signal

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Error Icon P1402

Fuel tank leakage diagnostic module – motor malfunction

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Error Icon P1201

Injector Circuit Open / Shorted - Cylinder #1

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Error Icon P1204

Injector Circuit Open / Shorted - Cylinder #4

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Error Icon P1202

Injector Circuit Open / Shorted - Cylinder #2

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Error Icon P1622

Immobilizer ID Does Not Match

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Error Icon P1203

Injector Circuit Open / Shorted - Cylinder #3

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Error Icon P1794

Battery Voltage Circuit Malfunction

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Error Icon P1262

Cylinder #2 High To Low Side Short

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Error Icon P1450

Unable To Bleed Up Fuel Tank Vacuum

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Error Icon P1712

Trans Torque Reduction Request Signal Malfunction

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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 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 P0017

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor B

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Severity Icon 4/10

Error Icon P0036

Heated Oxygen Sensor (HO2S) Heater Control Circuit Bank 1 Sensor 2

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Severity Icon 4/10

Error Icon P0102

Mass or Volume Air Flow Circuit Low Voltage Input

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Severity Icon 8/10

Error Icon P0106

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

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