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Engine-Codes – Generic – C152D

C152D Code - CAN Communication with EZS Control Unit Disturbed

Quick Answer

The diagnostic code C152D indicates a disturbance in the CAN (Controller Area Network) communication with the EZS (Electronic Ignition Switch) control unit. Common causes include Faulty Electronic Ignition Switch (EZS) module, Open or shorted harness related to the Electronic Ignition Switch, Poor electrical connection in the Electronic Ignition Switch circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C152D indicates CAN Communication with EZS Control Unit Disturbed.
Common causes
Common causes include Faulty Electronic Ignition Switch (EZS) module, Open or shorted harness related to the Electronic Ignition Switch, Poor electrical connection in the Electronic Ignition Switch circuit.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Jun 01, 2026
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Code C152D Description

The diagnostic code C152D indicates a disturbance in the CAN (Controller Area Network) communication with the EZS (Electronic Ignition Switch) control unit. The EZS module plays a crucial role in the operation of several safety and performance systems, including the Electronic Stability Program (ESP), Anti-lock Braking System (ABS), and Sensotronic Brake Control (SBC). When the communication between the EZS and other control modules is disrupted, it can lead to a failure in these critical systems, potentially compromising vehicle safety and performance.

OBDII Code C152D - CAN Communication with EZS Control Unit Disturbed
C152D Code - CAN Communication with EZS Control Unit Disturbed

Common Causes of C152D

  1. Faulty Electronic Ignition Switch (EZS) module
  2. Open or shorted harness related to the Electronic Ignition Switch
  3. Poor electrical connection in the Electronic Ignition Switch circuit
  4. Weak or failing vehicle battery
  5. Low system voltage during vehicle startup

Symptoms of C152D

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. ESP Defective warning message displayed on the dashboard
  3. ABS Visit Workshop notification appearing
  4. Service Brake message indicating potential braking issues
  5. Unresponsive or erratic behavior of braking systems

How to Fix C152D

  1. Perform a thorough inspection of the EZS module and associated wiring for visible damage or corrosion.
  2. Test the vehicle battery to ensure it is providing adequate voltage and replace it if necessary.
  3. Check the CAN bus wiring for continuity and integrity, looking for any signs of shorts or opens.
  4. Inspect and clean all connectors related to the EZS and other control modules to ensure a secure connection.
  5. If all connections and components are functioning correctly, consider replacing the EZS module if the issue persists.

Cost to Fix C152D

The cost to diagnose and repair the C152D code can vary significantly based on the specific issues found and the make and model of the vehicle. Typical parts, such as a new Electronic Ignition Switch, may range from $100 to $300, while labor costs can vary from $80 to $150 per hour, depending on the shop's location and expertise. Overall, you might expect a total repair cost between $200 and $600, with dealership rates generally being higher than independent shops.

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Code C152D Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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