C1501 - FAULT CODE - OBD2

POST UPDATED IN February, 2023

C1501 Code failures by brands

C1501 RAM, DODGE, CHRYSLER, JEEP: TIRE PRESSURE SENSOR 1

Description of DTC code C1501

The Tire Pressure Sensor is installed in the pressurized pocket, which consists of a tire and wheel. The function of this sensor is to measure how much air pressure is inside the tire, then transmit that data via a low-frequency radio to a respective controller. Depending on the manufacturer, this device may have a display on the dashboard, through which the data obtained by it is indicated, and if any warning condition occurs, it turns on a light that warns of what is happening. These types of sensors contribute to the vehicle’s safety levels.

The Tire Pressure Monitoring System (TPMS) continuously monitors the performance of the Tire Pressure Sensors. If in these checks the acceleration or pressure data provided by the Tire Pressure Sensor 1 is not received, the fault code C1501 OBDII will be set.

Symptoms of fault code C1501

  • Check Engine light illuminated.
  • ABS malfunction warning lamp illuminates.
  • TPMS trouble light illuminates.

Causes of OBD2 C1501

The C1501 OBD2 diagnostic code is set by the following:

  • Tire Pressure Sensor 1 wiring may be faulty.
  • Tire Pressure Sensor 1 circuit electrical connections could be in poor condition.
  • Tire Pressure Sensor 1 could have damage.

Possible solutions of the DTC code C1501

In order to resolve the DTC C1501 OBDII code consider the following:

  • Consult the TSB.
  • Check the wiring that corresponds to the Tire Pressure Sensor 1 and verify that there is no damage. If obvious deficiencies are found, make the appropriate adjustments.
  • Using the appropriate tools, read the Tire Pressure Sensor 1 circuit voltages and verify that they are within the established values. If you discover out-of-range voltages, check that it is not caused by bad connections. Correct it as applicable.
  • Check the good condition of the Tire Pressure Sensor 1, taking into account the manufacturer's recommendations. If after performing these checks you discover deficiencies in the sensor, consider replacing it.

 

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