C1442 – OBD-II DTC

OBD-II DTC C1442 – Steering Phase B Circuit Signal Is Not Sensed

DTC C1442 meaning

DTC C1442 refers to a diagnostic trouble code indicating that the Steering Phase B Circuit Signal is not being sensed by the vehicle’s onboard diagnostic system. This code is typically associated with issues in the steering system, particularly in the electronic power steering (EPS) or the steering angle sensor. The absence of a signal can lead to improper steering response and may affect vehicle handling.

DTC C1442 symptoms

Common symptoms associated with DTC C1442 may include:

  • Steering wheel feels heavy or unresponsive
  • Warning lights illuminated on the dashboard, such as the EPS or check engine light
  • Difficulty in steering, especially at low speeds
  • Inconsistent steering feedback

DTC C1442 causes

Several factors can lead to the occurrence of DTC C1442, including:

  • Faulty steering angle sensor
  • Wiring issues, such as damaged or corroded connectors
  • Malfunctioning electronic power steering module
  • Software glitches in the vehicle’s control module
  • Low power supply to the steering system components

DTC C1442 seriousness

DTC C1442 is considered a serious issue as it directly affects the vehicle’s steering capabilities. If left unaddressed, it can lead to:

  • Increased risk of accidents due to impaired steering control
  • Potential for further damage to the steering system
  • Inability to pass vehicle inspections

How to diagnose DTC C1442

To diagnose DTC C1442, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the code.
  2. Inspect the steering angle sensor and its wiring for any visible damage.
  3. Check the power supply to the steering system components.
  4. Test the steering angle sensor using a multimeter to ensure it is functioning correctly.
  5. Examine the electronic power steering module for faults.
  6. Clear the code and perform a test drive to see if the code reappears.

How to fix DTC C1442 step-by-step instructions

To fix DTC C1442, follow these step-by-step instructions:

  1. Start by inspecting the wiring and connectors related to the steering angle sensor for any signs of damage or corrosion.
  2. If any issues are found, repair or replace the damaged wiring or connectors.
  3. Test the steering angle sensor for proper operation using a multimeter.
  4. If the sensor is faulty, replace it with a new one.
  5. Check the electronic power steering module for any faults and replace it if necessary.
  6. Recheck all connections and ensure everything is securely in place.
  7. Clear the DTC using an OBD-II scanner and perform a test drive to confirm the issue is resolved.

How to erase DTC C1442

To erase DTC C1442, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the ignition without starting the engine.
  3. Access the diagnostic menu on the scanner and locate the option to clear or erase trouble codes.
  4. Select the option to erase DTCs and confirm the action.
  5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.