B1375 Code Meaning, Symptoms, Causes and How to Fix

The B1375 code signifies a problem with the Oil Change Lamp, which is not functioning correctly as per factory specifications. This issue can be caused by a faulty Oil Change Lamp, a malfunctioning Powertrain Control Module (PCM), or problems with the wiring and electrical connections.

Symptoms of this code may include a non-functional or constantly illuminated Oil Change Lamp on the dashboard.

To fix this issue, a thorough diagnosis is required. This involves checking the Oil Change Lamp, inspecting the PCM for any faults, and examining the wiring and connections for any issues.

Once the problem is identified, appropriate repairs or replacements can be made to resolve the B1375 code.

What does it mean

The B1375 code indicates a problem with the Oil Change Lamp monitored by the PCM.

Regular oil changes are crucial for engine health and performance, as neglecting them can lead to sludge buildup and impact the lamp's functionality.

Adhering to maintenance schedules helps prevent costly repairs and ensures the lamp operates correctly, promoting vehicle longevity.

what are the symptoms

What are the symptoms associated with the B1375 code?

The symptoms of the B1375 code include:

  1. Engine light or service engine soon warning light illuminating on the dashboard. This happens when the Powertrain Control Module (PCM) detects that the oil change lamp is not meeting the factory specifications.

What happens if you ignore the B1375 code? Is it safe to continue driving with this code?

Ignoring the B1375 code can have several effects:

  1. Reduced engine performance: Ignoring the B1375 code can lead to decreased engine performance as the PCM might not accurately monitor the oil change lamp.
  2. Potential damage to engine components: Ignoring the B1375 code can result in missed oil change intervals, which may cause damage to engine components due to insufficient lubrication.
  3. Increased risk of engine failure: Ignoring the B1375 code can raise the likelihood of engine failure, as regular oil changes are crucial for the proper functioning and durability of the engine.
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It is not safe to continue driving with the B1375 code. It is recommended to address the underlying issue and have it fixed promptly to prevent further damage or possible engine failure.

What are the causes

The B1375 code can be caused by several factors, including:

  1. A faulty oil change lamp.
  2. An open or shorted oil change lamp harness.
  3. Poor electrical connection in the oil change lamp circuit.
  4. A faulty Powertrain Control Module (PCM).
  5. Other potential causes that may not be listed.

It's important to remember that these are the most common causes of the B1375 code, but there could be other factors involved.

When diagnosing this code, it's crucial to avoid common mistakes like overlooking a faulty oil change lamp or assuming that a faulty PCM is the only cause. Make sure to thoroughly inspect the wiring harness and connectors, check for any damaged components, and examine the connector pins for signs of damage or corrosion.

Following these steps and avoiding common diagnostic errors will help achieve accurate and efficient troubleshooting of the B1375 code.

What Tools are Needed to diagnose

To diagnose the B1375 code, you will need specific diagnostic tools. Here are the common tools that can be used:

  1. Scan Tool: A scan tool is necessary for reading and retrieving the B1375 code from the Powertrain Control Module (PCM). It provides important information about the vehicle's systems and helps pinpoint the exact cause of the code.
  2. Multimeter: A multimeter is used to perform electrical tests on the Oil Change Lamp circuit. It helps check for continuity, resistance, and voltage levels, allowing technicians to identify any open circuits or shorted components.
  3. Visual Inspection Tools: A visual inspection is crucial in diagnosing the B1375 code. Tools such as a flashlight, mirror, and borescope can be used to thoroughly inspect the wiring harness and connectors. This helps identify any damaged components, broken wires, or corroded connector pins that may be causing the code.
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How to fix Step by Step

Step 1: Thoroughly inspect the Oil Change Lamp circuit using specific diagnostic tools and perform a visual inspection.

Step 2: Check for a faulty Oil Change Lamp, open or shorted harness, and poor electrical connections.

Step 3: Visually inspect the related wiring harness and connectors for any damage or signs of wear.

Step 4: Look for broken, bent, pushed out, or corroded connector pins.

Step 5: Identify and resolve any issues found during the inspection.

Step 6: Clear the code using a scan tool.

Step 7: To prevent DTC B1375 recurrence, perform regular maintenance and timely replacement of the Oil Change Lamp.

Step 8: Ensure proper electrical connections and periodically inspect the wiring harness to prevent future issues.

What are the Common Diagnosis Mistakes

Common Diagnosis Mistakes

One mistake that is commonly made when diagnosing the B1375 code is not thoroughly inspecting the Oil Change Lamp circuit. It is important to use specific diagnostic tools and perform a visual inspection to avoid misdiagnosis of DTC B1375.

Here are some simple troubleshooting steps to follow:

  1. Use specialized diagnostic tools: Use tools like a multimeter or scan tool to accurately test the Oil Change Lamp circuit. This will help identify any faults or abnormalities within the circuit.
  2. Perform a visual inspection: Carefully inspect the wiring harness and connectors related to the Oil Change Lamp circuit. Look for any signs of damage, such as frayed wires or loose connections. Also, check for any broken, bent, pushed out, or corroded connector pins.
  3. Check for damaged components: Examine the Oil Change Lamp itself for any signs of damage. A faulty or malfunctioning lamp can trigger the B1375 code. Replace any damaged components as needed.
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What is the Repair Cost

The repair cost for the B1375 code can vary based on factors like location, vehicle make, model, and engine type. Labor costs range from $75 to $150 per hour, with diagnosis time around 1.0 hour.

To diagnose correctly, check wiring harness and connectors, inspect for damaged components or corroded pins, and ensure no broken, bent, or pushed out connector pins.

Regular maintenance and timely oil changes can prevent the code from reappearing.

Can I drive safely with this code?

Driving with the B1375 code is not recommended. Ignoring the Oil Change Lamp warning can lead to engine damage and decreased performance.

Diagnosing the code involves checking possible causes, inspecting wiring, and addressing any issues promptly to ensure safe vehicle operation.

Conclusion

In conclusion, the B1375 code indicates a malfunctioning Oil Change Lamp. This can be caused by a faulty lamp, wiring harness issues, poor electrical connections, or a faulty PCM.

It is important to visually inspect the wiring and connectors, as well as check for any damaged components or corroded pins. The cost to diagnose and repair the issue may vary depending on factors such as location and vehicle specifications.

Driving with this code may not be safe, as it can indicate other underlying issues with the vehicle.

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