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MANUFACTURER REFERENCE

Mazda code references.

Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.

Mazda diagnostic guides

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Mazda CX-5 P0126: when the thermostat-set repair applies

Check the companion code and recorded coolant temperature before choosing a cooling-system repair.

233 code references for Mazda

Mazda
P1000

OBD II Monitor Testing Not Completed

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Mazda
P1001

Unable to Achieve Self-Test Function Or SCP Error

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Mazda
P1100

Mass Air Flow Sensor Circuit Intermittent

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Mazda
P1101

Mass Air Flow Sensor Circuit Out Of Self-Test Range

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Mazda
P1102

Mass Air Flow Sensor Signal Inconsistent With Throttle Position Sensor

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Mazda
P1103

Mass Air Flow Sensor Signal Inconsistent With Engine Speed

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Mazda
P1110

Intake Air Temperature Sensor Signal Dynamic Chamber Circuit

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Mazda
P1112

Intake Air Temperature Sensor Circuit Intermittent

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Mazda
P1113

Intake Air Temperature Sensor Signal Dynamic Chamber Circuit

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Mazda
P1114

Intake Air Temperature Sensor Circuit Low Input

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Mazda
P1116

ECT Sensor Circuit Out Of Self Test Range

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Mazda
P1117

ECT Sensor Signal Intermittent

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Mazda
P1120

Throttle Position Sensor Out Of Range Low

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Mazda
P1121

Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal

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Mazda
P1122

Throttle Position Stuck Closed

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Mazda
P1123

Throttle Position Stuck Open

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Mazda
P1124

Throttle Position Sensor Signal Out Of Self Test Range

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Mazda
P1125

Throttle Position Sensor Signal Intermittent

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Mazda
P1126

Throttle Position Narrow Range Sensor Circuit

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Mazda
P1127

HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test

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Mazda
P1128

HO2S Bank 1 Sensor 1 Signals Swapped In Key On Engine Running Self Test

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Mazda
P1129

Downstream H02S Sensors Swapped

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Mazda
P1130

HO2S Bank 1 Sensor 1 Not Switching Fuel Control Limit Reached

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Mazda
P1131

HO2S Bank 1 Sensor 1 Signal Below 0.45v AF Ratio Too Lean

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Mazda
P1132

HO2S Bank 1 Sensor 1 Signal Above 0.45v AF Ratio Too Rich

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Ford / Lincoln +2
P1133

Bank 1 Fuel Control Shifted Lean

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Ford / Lincoln +2
P1134

Bank 1 Fuel Control Shifted Rich

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Mazda
P1135

HO2S Bank 1 Sensor 1 Heater Circuit Low Input

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Mazda
P1136

HO2S Bank 1 Sensor 1 Heater Circuit High Input

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Mazda
P1137

HO2S Bank 1 Sensor 2 Not Switching Fuel Control Limit Reached

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Mazda
P1138

HO2S Bank 1 Sensor 2 Signal Above 0.45v AF Ratio Too Rich

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Mazda
P1141

HO2S Bank 1 Sensor 2 Heater Circuit Low Input

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Mazda
P1142

HO2S Bank 1 Sensor 2 Heater Circuit High Input

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Mazda
P1143

HO2S Bank 1 Sensor 3 Signal Below 0.45v AF Ratio Too Lean

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Mazda
P1144

HO2S Bank 1 Sensor 3 Signal Above 0.45v AF Ratio Too Rich

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Mazda
P1150

HO2S Bank 2 Sensor 1 Not Switching Fuel Control Limit Reached

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Mazda
P1151

HO2S Bank 2 Sensor 1 Signal Below 0.45v AF Ratio Too Lean

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Mazda
P1152

HO2S Bank 2 Sensor 1 Signal Above 0.45v AF Ratio Too Rich

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Mazda
P1153

Bank 2 Fuel Control Shifted Lean FAOSC

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Mazda
P1154

Bank 2 Fuel Control Shifted Rich FAOSC

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Mazda
P1169

HO2S Bank 1 Sensor 1 Circuit Fixed Bank 1 Sensor 1

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Mazda
P1170

HO2S Bank 1 Sensor 1 Circuit Fixed Bank 1 Sensor 1

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Mazda
P1173

HO2S Bank 2 Sensor 1 Circuit Fixed Bank 2 Sensor 1

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Mazda
P1182

Fuel Shut Off Solenoid Circuit

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Mazda
P1189

Pump Speed Signal

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Ford / Lincoln +2
P1190

Calibration Resistor Out Of Range

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Mazda
P1191

TP Controlled Circuit

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Mazda
P1194

ECM PCM A D Converter

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Mazda
P1195

EGR Boost Sensor Circuit

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Mazda
P1196

Ignition Switch Start Circuit

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Mazda
P1197

Mileage Switch Circuit

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Mazda
P1213

Start Injector Circuit

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Mazda
P1221

Traction Control System

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Mazda
P1222

Traction Control Output Circuit

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Mazda
P1226

Control Sleeve Sensor Circuit

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Mazda
P1235

Fuel Pump Control Circuit

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Mazda
P1236

Fuel Pump Control Out Range

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Ford / Lincoln +2
P1248

Turbo Boost Pressure Not Detected

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Mazda
P1250

Pressure Regulator Control Solenoid Circuit

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Mazda
P1251

Air Mixture Solenoid Circuit

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Mazda
P1252

Pressure Regulator Control Solenoid 2 Circuit Malfunction

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Mazda
P1260

Anti-Theft System Signal Detected Engine Disabled

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Mazda
P1270

Engine RPM or Vehicle Speed Limit Reached

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Mazda
P1279

Control Sleeve Sensor Circuit Range Performance

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Mazda
P1298

Injector Driver Module Failure

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Mazda
P1309

Misfire Detection Monitor

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Mazda
P1312

Injection Pump Timing Actuator Circuit

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Mazda
P1318

Injection Timing Piston Position Sensor Circuit

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Mazda
P1319

Injection Timing Piston Position Sensor Circuit Range Performance

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Mazda
P1345

No CMP or SGC Signal

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Mazda
P1351

Ignition Diagnostic Monitor Signal Lost To PCM Or Out Of Range

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Mazda
P1352

Ignition Coil A Primary Circuit

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Mazda
P1353

Ignition Coil B Primary Circuit

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Mazda
P1354

Ignition Coil C Primary Circuit

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Ford / Lincoln +2
P1358

Ignition Diagnostic Monitor Signal Out of Self-Test Range

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Mazda
P1359

SPOUT Signal Lost To Powertrain Control Module Or Out Of Range

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Mazda
P1360

Ignition Coil A Secondary Circuit

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Mazda
P1361

Ignition Coil B Secondary Circuit

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Mazda
P1362

Ignition Coil C Secondary Circuit

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Mazda
P1364

Ignition Coil Primary Circuit

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Mazda
P1365

Ignition Coil Secondary Circuit

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Mazda
P1382

Camshaft Position Timing Solenoid 1 Circuit

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Mazda
P1387

Camshaft Position Timing Solenoid 2 Circuit

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Mazda
P1390

Octane Adjust Shorting Bar Out Or Circuit Open

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Mazda
P1400

DPFE Sensor Circuit Low Input

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Mazda
P1401

DPFE Sensor Circuit High Input

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Mazda
P1402

EGR Valve Position Sensor Circuit

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Mazda
P1405

DPFE Sensor Upstream Hose Off Or Plugged

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Mazda
P1406

DPFE Sensor Downstream Hose Off Or Plugged

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Mazda
P1407

No EGR Flow Detected

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Mazda
P1408

EGR System Flow Out Of Key On Engine Running Self Test Range

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Mazda
P1409

EGR Vacuum Regulator Solenoid Circuit

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Mazda
P1410

EGR Boost Solenoid Valve Stuck

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Mazda
P1412

Exhaust Gas Recirculation Valve Frozen

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Mazda
P1415

Air Pump Circuit

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Mazda
P1416

Port Air Circuit

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Mazda
P1417

Port Air Relief Circuit

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Mazda
P1418

Split Air 1 Circuit

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Mazda
P1419

Split Air 2 Circuit

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Mazda
P1439

Floor Temp Switch Circuit

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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.

Model documentation

Only models identified by the cited manufacturer material are listed.

CX-5

2021–2024 non-turbo case