
How to Fix C0267 Pump Motor Circuit Open in Chevy Silverado
A Comprehensive Guide to Resolving C0267 Issues in Your Chevy Silverado
Understanding the C0267 code is the first step towards resolution. This code typically arises from a malfunctioning pump motor, faulty wiring, or a defective control module. By following our step-by-step instructions, you can troubleshoot the issue effectively and restore your vehicle's functionality.
Understanding the C0267 Code
The C0267 code is triggered when the vehicle's onboard diagnostics detect an open circuit in the pump motor circuit. This can affect the Anti-lock Braking System (ABS) and lead to reduced braking efficiency. It's essential to address this issue quickly to maintain safe driving conditions.
Required Tools and Materials
- Multimeter
- OBD-II Scanner
- Wire Strippers
- Soldering Iron
- Electrical Tape
- Replacement Wiring (if necessary)
Step-by-Step Instructions
Step 1: Scan for Codes
Use an OBD-II scanner to check for any additional error codes. This will help you understand if there are other issues present.
Step 2: Inspect Wiring
Visually inspect the wiring connected to the pump motor. Look for any signs of damage, corrosion, or disconnection.
Step 3: Test the Circuit
Using a multimeter, check for continuity in the pump motor circuit. A reading of 0 ohms indicates a good connection, while an infinite reading suggests an open circuit.
Step 4: Repair or Replace
If you find damaged wiring, use wire strippers to remove the insulation, twist the wires together, and solder them. Use electrical tape to secure the connection. If the pump motor is faulty, consider replacing it.
Step 5: Clear Codes and Test Drive
After repairs, clear the codes using the OBD-II scanner and take your Silverado for a test drive to ensure the issue is resolved.
Quick Facts
Quick Facts
Pros and Cons of DIY Repair
Pros
- Cost-effective solution
- Gain hands-on experience
- Immediate resolution
Cons
- Requires technical knowledge
- Risk of further damage if done incorrectly
- Time-consuming
Troubleshooting Tips
If the C0267 code persists after your repairs, consider the following troubleshooting tips:
- Double-check all connections and wiring.
- Ensure the multimeter is functioning correctly.
- Consult a professional mechanic if unsure about any step.
Conclusion
Fixing the C0267 pump motor circuit open issue in your Chevy Silverado is a manageable task with the right tools and guidance. By following the steps outlined in this guide, you can restore your vehicle's braking system and ensure safe driving conditions.
- C0267 indicates a pump motor circuit open issue.
- Use an OBD-II scanner to diagnose the problem.
- Inspect wiring for damage and test the circuit with a multimeter.
- Repair or replace faulty components as needed.
- Clear error codes and test drive the vehicle after repairs.

Jaden Bohman is a researcher led writer and editor focused on productivity, technology, and evidence based workflows. Jaden blends academic rigor with real world testing to deliver clear, actionable advice readers can trust.
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