B0753 - Transmission Control Module (TCM) Malfunction in Popular Vehicles Like Ford and Honda

Quick Answer

B0753 means: B0753 indicates a malfunction in the Transmission Control Module related to the transmission range sensor.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with B0753? Address this issue immediately to prevent further transmission damage.

Common Questions

What does B0753 mean and how does it affect my car?

The B0753 code indicates a malfunction in the Transmission Control Module (TCM) related to the transmission range sensor. This affects your vehicle's ability to shift gears correctly, leading to performance issues like harsh shifting or even stalling. Ignoring this code can result in further transmission damage, so it's essential to address it promptly.

What are the most common causes of B0753 and how much does it cost to fix?

The most common cause of the B0753 code is a faulty transmission range sensor, which typically costs between $150 and $300 to replace. Other potential causes include damaged wiring and a malfunctioning TCM, with repair costs varying from $50 to $200 depending on the nature of the issue.

Can I drive my car with B0753 or should I stop immediately?

While you may be able to drive with a B0753 code, doing so can lead to severe transmission problems and unsafe driving conditions. It's advisable to stop driving and have the vehicle diagnosed as soon as possible to avoid costly repairs.

How can I diagnose B0753 myself using the GeekOBD APP?

Using the GeekOBD APP, you can perform a quick scan to retrieve the B0753 code and any accompanying trouble codes. The app can also provide freeze frame data, which will help you understand the conditions under which the code was triggered, allowing for targeted troubleshooting.

What vehicles are most commonly affected by B0753?

Commonly affected vehicles include the 2013-2018 Ford Fusion and the 2015-2019 Honda Accord. If you own one of these models, be particularly vigilant about symptoms associated with the B0753 code, as they are more prone to this issue.

How can I prevent B0753 from happening again?

To prevent the recurrence of the B0753 code, ensure regular maintenance of your vehicle's transmission system. This includes checking and replacing transmission fluid at recommended intervals, inspecting wiring and connectors for wear and corrosion, and addressing any shifting issues promptly.

What is B0753?

The B0753 diagnostic trouble code (DTC) is associated with a malfunction in the Transmission Control Module (TCM) or its related circuits. This code typically indicates a problem with the transmission range sensor, which is crucial for determining the position of the gear selector. When the TCM cannot accurately determine the gear position, it can lead to improper shifting, which may cause significant performance issues. For example, you might notice harsh shifting or even a complete inability to shift gears in automatic transmission vehicles. Common makes affected by this code include the 2013-2018 Ford Fusion and the 2015-2019 Honda Accord. Drivers may also experience a check engine light illumination, which serves as a warning to address the issue promptly. Ignoring this problem can lead to further damage to the transmission system, resulting in costly repairs down the line. Addressing a B0753 code involves not only fixing the immediate issue but also ensuring that any related components, such as wiring and connectors, are in good condition to prevent recurrence of the problem.

System: B - Body (Airbags, Lighting, Security, Climate Control)

Symptoms

Common symptoms when B0753 is present:

  • Check engine light stays on constantly, indicating that the vehicle's onboard diagnostics have detected a persistent issue.
  • Transmission experiences harsh shifting or slipping, which can lead to a jerky driving experience, particularly during acceleration.
  • The vehicle may stall or fail to start due to improper communication between the TCM and the engine control unit (ECU).
  • Unexpected gear changes while driving, which can be alarming and dangerous, especially in stop-and-go traffic.
  • Decreased fuel economy, which can result from improper shifting and engine load conditions.

Possible Causes

Most common causes of B0753 (ordered by frequency):

  1. The most common cause of the B0753 code is a faulty transmission range sensor, which is responsible for communicating the gear selection to the TCM. This issue has an 80% likelihood of being the root cause.
  2. Another potential cause is damaged or corroded wiring and connectors in the TCM circuit, which can lead to intermittent signals and communication failures.
  3. A third cause could be a malfunctioning TCM itself, which can occur due to internal faults or software issues. Regular software updates can help prevent this.
  4. Less common but serious causes include mechanical transmission failures, such as worn gears or clutches, which can lead to complete transmission failure if not addressed.
  5. Rarely, a problem with the vehicle's body control module (BCM) can also trigger a B0753 code, as it may affect the TCM's operation indirectly.

B0753 Repair Costs

Cost Breakdown by Repair Type

Transmission Range Sensor Replacement

Replacing the faulty transmission range sensor to restore proper communication with the TCM.

  • Total: $150 - $300
  • Success rate: 90%
TCM Reprogramming

Reprogramming the TCM to ensure it receives the correct signals from the transmission range sensor.

  • Total: $100 - $200
  • Success rate: 80%
Wiring Repair

Repairing or replacing damaged wiring and connectors to ensure proper electrical communication.

  • Total: $50 - $150
  • Success rate: 85%
Money-Saving Tips for B0753
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional B0753 Diagnosis Process

Follow these systematic steps to accurately diagnose B0753. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion in the TCM circuit (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion in the TCM circuit (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context, including any related codes (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context, including any related codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the resistance and voltage of the transmission range sensor (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the resistance and voltage of the transmission range sensor (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - Verify proper operation of the TCM and sensor after repairs and clear codes (10-15 minutes)

Step 4: System function test - Verify proper operation of the TCM and sensor after repairs and clear codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm successful repair and monitor for any reoccurring symptoms (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm successful repair and monitor for any reoccurring symptoms (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Transmission Range Sensor Replacement on 2015 Ford Fusion

Vehicle: 2015 Ford Fusion, 75,000 miles

Problem: Customer reported harsh shifting and check engine light illumination.

Diagnosis: After scanning the vehicle with the GeekOBD APP, the B0753 code was retrieved along with several related codes indicating a range sensor issue.

Solution: The faulty transmission range sensor was replaced, restoring proper communication with the TCM.

Cost: $250 (sensor cost $200, labor $50)

Result: Customer reported a smooth driving experience post-repair with no recurrence of the check engine light.

Case Study 2: Wiring Repair on 2016 Honda Accord

Vehicle: 2016 Honda Accord, 60,000 miles

Problem: Check engine light was on, and the vehicle occasionally stalled during gear changes.

Diagnosis: Diagnostic testing revealed a B0753 code due to corroded wiring connections in the TCM circuit.

Solution: Damaged wiring was repaired, and connections were cleaned to ensure proper electrical flow.

Cost: $100 (labor included)

Result: The vehicle operated normally after repairs, with improved performance and no further issues.

Diagnose B0753

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
Download GeekOBD APP Get MOBD Adapter

Code Information

Code: B0753
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes