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Jeep Wagoneer (incl. Grand) Fault Codes


You can find common Jeep Wagoneer (incl. Grand) 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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Jeep Wagoneer (incl. Grand) 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 Jeep Wagoneer (incl. Grand) has any recall notices on our sister site AutoRecalls.co, sorted by model year.

View Jeep Wagoneer (incl. Grand) Recalls ยป
Recall Notice Icon

Error Icon P0123

Throttle/Pedal Position Sensor/Switch A Circuit High Input

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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 P0171

System Too Lean (Bank 1)

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Severity Icon 6/10

Error Icon P0138

O2 Sensor Circuit High Voltage (Bank 1 Sensor 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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Error Icon P0750

Shift Solenoid A Malfunction

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Error Icon P0369

Camshaft Position Sensor B Circuit Intermittent (Bank 2)

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Error Icon P0032

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

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Error Icon P0122

Throttle/Pedal Position Sensor/Switch A Circuit Low Input

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Error Icon P1281

Engine Is Cold Too Long

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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 P0344

Camshaft Position Sensor Circuit Intermittent

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Severity Icon 3/10

Error Icon P0441

Evaporative Emission Control System Incorrect Purge flow

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Error Icon P0394

Camshaft Position Sensor B Circuit Intermittent (Bank 2)

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Error Icon P0731

Gear 1 Incorrect Ratio

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Error Icon P0732

Gear 2 Incorrect Ratio

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Severity Icon 7/10

Error Icon P0430

Catalyst System Efficiency Below Threshold (Bank 2)

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Error Icon P0201

Injector Circuit Malfunction - Cylinder 1

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Error Icon P0058

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

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Severity Icon 6/10

Error Icon P0158

O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)

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Severity Icon 4/10

Error Icon P0455

System Gross Leak Evaporative Emission

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Error Icon P06DD

Engine Oil Pressure Control Circuit Stuck Off

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Error Icon P0706

Transmission Range Sensor Circuit Range/Performance

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Error Icon P0740

Torque Converter Clutch Circuit Malfunction

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Error Icon P0320

Ignition/Distributor Engine Speed Input Circuit Malfunction

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Error Icon P0339

Crankshaft Position Sensor A Circuit Intermittent

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Error Icon P1128

Upstream Heated O2 Sensors Swapped

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Error Icon P1762

Governor Pressure Sensor Offset Improper Voltage

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Error Icon P1239

Speed Fuel Pump Positive Feed Fault

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Error Icon P1391

Intermittent Loss of CMP or CKP

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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 P0520

Engine Oil Pressure Sensor/Switch Circuit Malfunction

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Severity Icon 8/10

Error Icon P0304

Cylinder 4 Misfire Detected

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Severity Icon 3/10

Error Icon P0442

Evaporative Emission Control System Leak Detected

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Severity Icon 8/10

Error Icon P0305

Cylinder 5 Misfire Detected

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Error Icon B2224

Mirror Passenger Drive Circuit Failure

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Severity Icon 9/10

Error Icon P0700

Transmission Control System Malfunction

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Error Icon P0702

Transmission Control System Electrical

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Error Icon P0108

Manifold Absolute Pressure/Barometric Pressure Circuit High Input

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Severity Icon 8/10

Error Icon P0303

Cylinder 3 Misfire Detected

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Severity Icon 9/10

Error Icon P0300

Random/Multiple Cylinder Misfire Detected

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Error Icon P0600

Serial Communication Link Malfunction

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Error Icon P0513

Incorrect Immobilizer Key

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Severity Icon 3/10

Error Icon P0507

Idle Control System RPM higher Than Expected

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Error Icon P1494

Leak Detection Pump Switch or Mechanical Fault

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Error Icon P1129

Downstream Heated O2 Sensors Swapped

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Error Icon P1491

Rad Fan Control Relay Circuit

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Error Icon P1685

Skim Invalid Key

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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 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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Severity Icon 8/10

Error Icon P0113

Intake Air Temperature Circuit High Input

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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 7/10

Error Icon P0134

O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)

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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 4/10

Error Icon P0137

O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)

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Severity Icon 6/10

Error Icon P0141

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)

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Severity Icon 5/10

Error Icon P0172

System Too Rich (Bank 1)

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Severity Icon 5/10

Error Icon P0175

System Too Rich (Bank 2)

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Severity Icon 8/10

Error Icon P0302

Cylinder 2 Misfire Detected

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Severity Icon 8/10

Error Icon P0306

Cylinder 6 Misfire Detected

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Severity Icon 3/10

Error Icon P0325

Knock Sensor 1 Circuit (Bank 2 or Single Sensor)

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Severity Icon 8/10

Error Icon P0332

Knock Sensor 2 Circuit Low Input (Bank 2)

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Severity Icon 8/10

Error Icon P0335

Crankshaft Position Sensor A Circuit Malfunction

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Severity Icon 6/10

Error Icon P0341

Camshaft Position Sensor Circuit Range/Performance

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Severity Icon 7/10

Error Icon P0401

Exhaust Gas Recirculation Flow Insufficient Detected

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Severity Icon 3/10

Error Icon P0446

Evaporative Emission Control System Vent Control Circuit Malfunction

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Jeep Wagoneer (incl. Grand) Image
  • Manufacturer: Jeep

About the Wagoneer (incl. Grand)

The Wagoneer has had quite a confusing history since its release. The nameplate first emerged in 1963 as its first generation.

It remained on the market until its discontinuation in 1991. It was then reused with the release of the Grand Wagoneer in 1993 for only a single year, essentially representing the third generation of the model.

The model was retired thereafter until its reintroduction for the modern versions of both the Wagoneer and Grand Wagoneer in 2022.

Competition for the latest model has included the likes of the Mercedes-Benz GLS, Lincoln Navigator, and Cadillac Escalade.

One of the most common issues that the latest version has faced is P0123. This code indicates that the throttle pedal position sensor is suffering from a high input voltage.

This code is typically the result of an electrical issue in the TPS sensor circuit. This can include open or short circuits. It is also possible that the TPS sensor is faulty and needs to be replaced.

Another position sensor fault code that is fairly common is P0340. This code indicates that the camshaft position sensor is malfunctioning. This code should never be ignored as it can hide some serious camshaft timing issues.

Similar to the previous code, this can typically be caused by a faulty camshaft position sensor or electrical faults in its circuit.

Fault code P0171 is another problem that owners have had to deal with. This code indicates that the first bank of the engine is running too lean.

This code is very often caused by a leak in the intake manifold or a vacuum leak. However, it can be very frustrating to pinpoint the cause of this general code.