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Mazda MX-5 Fault Codes


You can find common Mazda MX-5 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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Do you know the fault code already? Enter it in the box below and hit "Search Codes".

Mazda MX-5 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 Mazda MX-5 has any recall notices on our sister site AutoRecalls.co, sorted by model year.

View Mazda MX-5 Recalls »
Recall Notice Icon
Severity Icon 9/10

Error Icon P0300

Random/Multiple Cylinder Misfire Detected

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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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 P0031

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

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Error Icon P0037

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

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Severity Icon 5/10

Error Icon P0705

Transmission Range Sensor Circuit Malfunction (PRNDL Input)

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Error Icon P0421

Warm Up Catalyst Efficiency Below Threshold (Bank 1)

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Severity Icon 6/10

Error Icon P0131

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 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 5/10

Error Icon P0172

System Too Rich (Bank 1)

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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 P0500

Vehicle Speed Sensor Malfunction

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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 P0455

System Gross Leak Evaporative Emission

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Error Icon U0101

Lost Communication with TCM

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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 8/10

Error Icon P0340

Camshaft Position Sensor Circuit Malfunction

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Error Icon P0850

Park / Neutral Switch Input Circuit

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Error Icon P1345

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

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Error Icon P1624

Engine coolant blower motor relay -low speed circuit malfunction

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Error Icon P1499

EGR Stepper Motor Malfunction - Circuit 4 (1.8L).

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Error Icon P1601

ECM/TCM Serial Communication Error

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Error Icon P1170

ESO - Engine Shut Off Solenoid Fault

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Error Icon P1141

Fuel Restriction Indicator Circuit Malfunction

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Error Icon P0661

Intake Manifold Tuning Valve Control Circuit Low (Bank 1)

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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 U0073

Control Module Communication Bus "A" Off

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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 B1994

Driver Sid, Side mount Airbag Circuit Open

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Error Icon B1318

Battery Voltage Low

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Severity Icon 8/10

Error Icon P0304

Cylinder 4 Misfire Detected

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Error Icon P0328

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

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Severity Icon 9/10

Error Icon P0126

Insufficient Coolant Temperature for Stable Operation

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Severity Icon 7/10

Error Icon P2096

Post Catalyst Fuel Trim System Too Lean Bank 1

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Error Icon P0753

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

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Severity Icon 8/10

Error Icon P0016

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

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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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Error Icon U0140

Lost Communication With Body Control Module

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Error Icon U0401

Invalid Data Received From ECM/PCM

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Error Icon P0139

O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)

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Error Icon P1250

PRC Solenoid Circuit Malfunction

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Error Icon P1260

THEFT Detected, Vehicle Immobilzed

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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 P1632

CAN data bus OFF

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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 P1180

Fuel Delivery System Malfunction - Low

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Error Icon P1794

Battery Voltage Circuit Malfunction

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Error Icon P1261

Cylinder #1 High To Low Side Short

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Error Icon P1336

Crank / Cam Sensor Range / Performance

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Error Icon P1262

Cylinder #2 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 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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About the MX-5