Engine-CodesCadillac – B1385 Cadillac

B1385 Cadillac Code - Device Ignition START Circuit

Quick Answer

The B1385 diagnostic trouble code (DTC) for Cadillac vehicles refers to an issue with the Device Ignition START Circuit. Common causes include Faulty ignition switch, Damaged or corroded wiring in the ignition circuit, Defective starter relay. 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
B1385 Cadillac indicates Device Ignition START Circuit.
Common causes
Common causes include Faulty ignition switch, Damaged or corroded wiring in the ignition circuit, Defective starter relay.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1385 Cadillac Description

The B1385 diagnostic trouble code (DTC) for Cadillac vehicles refers to an issue with the Device Ignition START Circuit. This code indicates a problem with the circuit that controls the ignition system when starting the vehicle. The ignition system is crucial for starting the engine and ensuring smooth operation of the vehicle. If this circuit malfunctions, it can lead to starting issues, engine performance problems, and potential safety concerns.

OBDII Code B1385 Cadillac - Device Ignition START Circuit
B1385 Cadillac Code - Device Ignition START Circuit

Common Causes of B1385 Cadillac

  1. Faulty ignition switch.
  2. Damaged or corroded wiring in the ignition circuit.
  3. Defective starter relay.
  4. Malfunctioning PCM.
  5. Poor electrical connection in the ignition system.

Symptoms of B1385 Cadillac

  1. Difficulty starting the vehicle or intermittent starting issues.
  2. Engine cranks but does not start.
  3. Engine stalls shortly after starting.
  4. Illumination of the Check Engine Light.
  5. Loss of power while driving.

How to Fix B1385 Cadillac

  1. Diagnose the root cause of the issue by using a scan tool to retrieve the DTC and inspecting the ignition system components.
  2. Check the ignition switch for proper operation and replace if necessary.
  3. Inspect the wiring in the ignition circuit for any damage or corrosion and repair as needed.
  4. Test the starter relay for functionality and replace if faulty.
  5. Clear the DTC from the PCM memory and perform a test start to ensure the issue is resolved.

Cost to Fix B1385 Cadillac

The cost of repairing a Device Ignition START Circuit issue can vary depending on the specific cause of the problem and the labor rates at the auto repair shop. On average, you can expect to pay anywhere from $150 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates can vary between different shops, so it's recommended to get quotes from multiple sources to ensure you're getting a fair price for the repair.

Need more information about the B1385 Cadillac code?

Need more information on how to fix the B1385 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1385 Cadillac code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about B1385 Cadillac Code

1. What are the common symptoms of OBDII code B1385 in a Cadillac related to the Device Ignition START Circuit?

- Common symptoms include the engine not starting, the engine stalling while driving, and issues with the vehicle's electrical system.

2. What are the possible causes of OBDII code B1385 in a Cadillac?

- Possible causes include a faulty ignition switch, wiring issues in the ignition circuit, a defective starter motor, or a problem with the vehicle's security system.

3. How can I diagnose the cause of OBDII code B1385 in my Cadillac?

- Use a diagnostic scanner to retrieve the trouble codes, inspect the ignition switch and wiring for any visible damage, test the starter motor, and check the vehicle's security system for any malfunctions.

4. Can a faulty ignition switch trigger OBDII code B1385 in a Cadillac?

- Yes, a faulty ignition switch can cause issues with the Device Ignition START Circuit, leading to the triggering of OBDII code B1385.

5. How can I repair OBDII code B1385 in my Cadillac?

- Repair options include replacing the ignition switch, repairing or replacing damaged wiring, fixing any issues with the starter motor, or addressing problems with the vehicle's security system.

6. Are there any tips for preventing OBDII code B1385 in a Cadillac?

- Regularly maintain your vehicle's ignition system, address any electrical issues promptly, and avoid using unauthorized or aftermarket electronic devices that may interfere with the ignition circuit.

7. Can OBDII code B1385 cause any long-term damage to my Cadillac?

- If left unaddressed, OBDII code B1385 can lead to further electrical issues, potential damage to the starter motor, and may prevent the vehicle from starting altogether.

8. Is it safe to drive my Cadillac with OBDII code B1385 present?

- It is not recommended to drive your Cadillac with OBDII code B1385 present, as it can result in unexpected stalling or failure to start, posing a safety risk.

9. Can a DIY enthusiast repair OBDII code B1385 in a Cadillac?

- Depending on your skill level and access to tools, you may be able to address OBDII code B1385 yourself by following repair guides or tutorials, but professional help is recommended for complex issues.

10. How much does it typically cost to repair OBDII code B1385 in a Cadillac?

- The cost of repairing OBDII code B1385 can vary depending on the specific cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

Discuss the causes and fixes for B1385 Cadillac OBDII Code

Code B1385 Cadillac comments

No comments found for this page.