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Cadillac XT5 Fault Codes


You can find common Cadillac XT5 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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Cadillac XT5 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 Cadillac XT5 has any recall notices on our sister site AutoRecalls.co, sorted by model year.

View Cadillac XT5 Recalls »
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Error Icon P0024

Camshaft Position B - Timing Over-Advanced or System Performance (Bank 2)

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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 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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Error Icon P0155

O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

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Error Icon P0015

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

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Error Icon P0521

Engine Oil Pressure Sensor/Switch Range/Performance

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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 6/10

Error Icon P0158

O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)

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Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Severity Icon 3/10

Error Icon P0456

Evaporative Emissions System Small Leak Detected

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Error Icon P0385

Crankshaft Position Sensor B Circuit Malfunction

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Severity Icon 4/10

Error Icon P0455

System Gross Leak Evaporative Emission

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Severity Icon 9/10

Error Icon P0299

Turbo / Super Charger Underboost

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Severity Icon 6/10

Error Icon P0174

System Too Lean (Bank 2)

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Error Icon P0121

Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem

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Severity Icon 5/10

Error Icon P0175

System Too Rich (Bank 2)

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Error Icon P0826

Up and Down Switch Input Circuit

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Error Icon P0056

Heated Oxygen Sensor (HO2S) 2, Bank 2, Heater control - Circuit Malfunction

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Error Icon P0756

Shift Solenoid B Performance or Stuck Off

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Severity Icon 9/10

Error Icon P0700

Transmission Control System Malfunction

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Error Icon P0058

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

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Error Icon P0059

HO2S Heater Resistance (Bank 2, Sensor 1)

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Error Icon P0008

Engine Position System Performance - Bank 1

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Error Icon P0989

Transmission Fluid Pressure Sensor/Switch E Circuit Low

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Error Icon P1518

Intake Manifold Runner Control (Stuck Open)

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Error Icon U1255

SCP (J1850) Invalid or Missing Data for Network Control

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Error Icon P1175

Cam Control Fault

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Error Icon P1467

A/C Compressor Temperature Sensor Malfunction

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Error Icon P1258

Pedal Correlation PDS1 and PDS2

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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 P0306

Cylinder 6 Misfire Detected

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Severity Icon 7/10

Error Icon P0430

Catalyst System Efficiency Below Threshold (Bank 2)

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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 B1325

Control Module Power Circuit Low/High Voltage

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Error Icon B1327

Passenger Door Ajar Circuit Failure

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Severity Icon 3/10

Error Icon P0440

Evaporative Emission Control System Malfunction

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Error Icon P0717

Input/Turbine Speed Sensor Circuit No Signal

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Severity Icon 8/10

Error Icon P0021

Intake Camshaft Position Timing - Over-Advanced (Bank 2)

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Severity Icon 3/10

Error Icon P0496

Evaporative Emission System High Purge Flow

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Error Icon U1096

SCP (J1850) Invalid or Missing Data for Primary Id

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Error Icon U0121

Lost Communication With Anti-Lock Brake System (ABS) Control Module

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Error Icon U1056

SCP (J1850) Invalid or Missing Data for Vehicle Configuration

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Severity Icon 9/10

Error Icon U0073

Control Module Communication Bus "A" Off

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Error Icon U1000

SCP (J1850) Invalid or Missing Data for Primary Id

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Error Icon U0140

Lost Communication With Body Control Module

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Error Icon P1101

MAF Sensor Out Of Self Test Range./KOER Not Able To Complete KOER Aborted

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Error Icon P1682

Ignition 1 Switch Circuit 2

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Error Icon P1629

Internal Voltage Regulator Malfunction

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Error Icon P1634

Data Output Link Circuit Failure

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Error Icon P1626

Theft Deterrent Fuel Enable Signal Not Received/ B+ Supply To VCRM A/C Circuit Malfunction

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Error Icon P1153

HO2S Insufficient Switching Bank 2 Sensor 1

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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 P0016

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

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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 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 P0138

O2 Sensor Circuit High 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 9/10

Error Icon P0300

Random/Multiple Cylinder Misfire Detected

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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 P0303

Cylinder 3 Misfire Detected

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Severity Icon 8/10

Error Icon P0304

Cylinder 4 Misfire Detected

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Severity Icon 8/10

Error Icon P0305

Cylinder 5 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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Cadillac XT5 Image

About the XT5

The XT5 first made its debut at the Dubai Motor Show and the LA Auto Show 2016. Cadillac has only released a single generation of the compact crossover SUV since then.

The model became Cadillac’s best-selling offering both in the United States and globally just a year after its release. It also represents the first Crossover Touring (XT) model to be released by the American luxury carmaker.

Because of its success, it has gone up some big names in an already packed crossover class. The most notable of these include the Porsche Macan, Genesis GV70, BMW X3, and Volvo XC60.

During its time on the market, it has suffered from some common issues. The most notable of these is P0024. This code indicates that the exhaust camshaft in the second bank of the engine is over-advanced.

This code can only be logged by the American version fitted with the 3.6L V6.

One of the most common causes of this issue is incorrect maintenance when it comes to the engine oil. Old or contaminated oil can easily cause timing issues like this to arise. Owners have also reported that a stretched timing chain is something to check for.

Similarly, P0014 represents the same issue for the first bank exhaust camshaft.

If both of these codes are logged together it is likely that there is a timing issue like the ones listed above.

Another issue that some Cadillac engines have suffered from is P0128. This code indicates that the engine coolant temperature has not reached the operating temperature fast enough.

In most cases, this is a clear sign that the thermostat is not working properly and needs to be replaced. It is also possible that the coolant levels are incorrect.