B1445:04 Code - Control Module Voltage Output Circuit Open
Quick Answer
The Body Control Module (BCM) controls the retained accessory power relay 1 and retained accessory power relay 2 through their control circuits by applying a voltage to the retained accessory power relay coil control circuit. Common causes include Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2, Retained Accessory Power Relay harness is open or shorted, Retained Accessory Power Relay circuit poor electrical connection. 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
- B1445:04 indicates Control Module Voltage Output Circuit Open.
- Common causes
- Common causes include Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2, Retained Accessory Power Relay harness is open or shorted, Retained Accessory Power Relay circuit poor electrical connection.
- 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.
Code B1445:04 Description
What are the Possible Causes of the DTC B1445:04?
- Faulty Retained Accessory Power Relay 1 or Retained Accessory Power Relay 2
- Retained Accessory Power Relay harness is open or shorted
- Retained Accessory Power Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1445:04?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1445:04 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1445:04 Code
1. What are common symptoms of OBDII code B1445:04 - Control Module Voltage Output Circuit Open?
Common symptoms include illuminated dashboard warning lights, loss of power steering assist, and issues with the vehicle's electrical systems.
2. What causes the OBDII code B1445:04 to trigger?
This code is typically triggered by an open circuit in the control module voltage output, which can be caused by wiring issues, a faulty control module, or corroded connectors.
3. How serious is the OBDII code B1445:04 - Control Module Voltage Output Circuit Open?
While the severity can vary, this code should be addressed promptly to avoid potential safety hazards and further damage to the vehicle's systems.
4. Can I drive my vehicle with the OBDII code B1445:04 active?
It is not recommended to drive your vehicle with this code active, as it may lead to unpredictable behavior of the vehicle systems and potential safety risks.
5. How can I diagnose the cause of OBDII code B1445:04 - Control Module Voltage Output Circuit Open?
Diagnosing this code typically involves inspecting the wiring harness, checking the connectors for corrosion, testing the control module, and using a multimeter to verify voltage output.
6. Will resetting the OBDII code B1445:04 make it go away permanently?
Simply resetting the code may temporarily clear the warning, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.
7. What are some repair tips for fixing OBDII code B1445:04?
Repair tips may include checking and repairing damaged wiring, replacing faulty connectors, testing and potentially replacing the control module, and ensuring all connections are secure.
8. Can a DIY enthusiast fix OBDII code B1445:04 at home?
Depending on your skill level and access to tools, fixing this code at home may be possible. However, it is recommended to consult a professional if you are unsure about the diagnosis or repair process.
9. How much does it typically cost to repair OBDII code B1445:04?
The cost of repairs for this code can vary significantly based on the underlying issue, the need for replacement parts, and labor costs. It's best to obtain quotes from automotive professionals.
10. Are there any recalls or technical service bulletins related to OBDII code B1445:04?
It's advisable to check with the vehicle manufacturer or authorized service centers for any recalls or technical service bulletins related to this specific OBDII code to see if there are known issues or recommended solutions.
Discuss the causes and fixes for B1445:04 OBDII Code
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