C1273 DTC Code: Understanding and Resolving the Issue

If you’re a car owner, you may encounter various diagnostic trouble codes (DTC) popping up on your vehicle’s dashboard. One such code is the C1273 DTC code. In this article, we will delve deep into what this code signifies, its potential causes, and effective ways to resolve the issue.

What is the C1273 DTC Code?

The C1273 DTC code is specific to the Anti-Lock Brake System (ABS) in vehicles. ABS plays a crucial role in enhancing the safety of your vehicle by preventing the wheels from locking up during braking. When this DTC is triggered, it indicates a fault within the ABS hydraulic pump motor or its related components.

Possible Causes of the C1273 DTC Code

Now that we understand what the C1273 DTC code signifies, let’s explore some potential causes that can trigger this code:

  1. Faulty Hydraulic Pump Motor: One of the primary reasons for the C1273 DTC code is a malfunctioning hydraulic pump motor. The hydraulic pump motor is responsible for generating the hydraulic pressure required for the ABS to function correctly. If it fails or malfunctions, it can trigger this code.

  2. Defective ABS Actuator Assembly: Another possible cause is a faulty ABS actuator assembly. The actuator assembly controls the distribution of brake fluid to the respective wheels as commanded by the ABS control module. Any malfunction or damage to this assembly can lead to the C1273 DTC code.

  3. Faulty ABS Relay: In some cases, a defective ABS relay can trigger the C1273 DTC code. The ABS relay is responsible for supplying power to the ABS hydraulic pump motor. If it fails, the motor may not receive adequate power, leading to the code.

  4. Wiring or Connector Issues: Damaged or loose wiring connections between the ABS components, or a faulty connector, can also trigger the C1273 DTC code. These wiring issues may disrupt the communication between the various ABS components, causing a malfunction.

Resolving the C1273 DTC Code

Dealing with the C1273 DTC code can be quite challenging, as addressing the underlying cause requires technical expertise. However, here are some general steps you can follow to resolve the issue:

  1. Inspect and Test the Hydraulic Pump Motor: Start by examining the hydraulic pump motor for any visible signs of damage or wear. If you notice any issues, such as broken wires or burnt connections, repairing or replacing the motor may be necessary. Additionally, have a professional perform a diagnostic test to assess the motor’s functionality accurately.

  2. Check the ABS Actuator Assembly: Inspect the ABS actuator assembly for any visible damage or signs of wear. If you identify any issues, it is advisable to replace the assembly. However, it is essential to consult with a qualified mechanic who can perform a comprehensive diagnostic test to confirm the problem accurately.

  3. Evaluate the ABS Relay: Verify the functionality of the ABS relay by testing or replacing it, if required. Ensure that it is delivering sufficient power to the hydraulic pump motor. If the relay proves to be faulty, replacing it should rectify the issue.

  4. Check the Wiring and Connectors: Examine all wiring connections and connectors related to the ABS components. Repair any damaged or loose connections, ensuring proper communication between the components. If the wiring is severely damaged, replacing or repairing it may be necessary.

Frequently Asked Questions

Q1: Can I continue driving my vehicle with the C1273 DTC code?

A1: It is not recommended to continue driving your vehicle with the C1273 DTC code. When this code triggers, it indicates a fault within the ABS system, compromising your vehicle’s braking performance and safety. Get your vehicle inspected by a professional to avoid potential hazards.

Q2: Can I reset the C1273 DTC code myself?

A2: While you can use an OBD-II scanner to clear the DTC codes, it is crucial to address the underlying issue causing the code. Simply resetting the code without resolving the problem will not fix the malfunction and may lead to a recurrence.

Q3: How much does it cost to fix the C1273 DTC code?

A3: The cost of repairing the C1273 DTC code can vary depending on the specific cause of the issue, your vehicle’s make and model, and your location. It is recommended to consult with a certified mechanic who can provide an accurate estimate after diagnosing the problem.

In conclusion, the C1273 DTC code in your vehicle indicates a fault within the ABS hydraulic pump motor or its related components. Understanding the potential causes and following proper diagnostic and repair procedures are essential to resolve the issue effectively. Consulting with a qualified mechanic is strongly advisable to ensure the correct diagnosis and safe resolution of the problem.

About author


Meet Sam Mitchell, your experienced and reliable guide in the complex world of car fault codes. With a robust career spanning over 15 years as a professional car mechanic, John has the skills, knowledge, and practical experience to help you navigate car fault issues with confidence.


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