Quick Answer
B0733 means: B0733 indicates a transmission range sensor performance issue.
Can I drive with B0733? Immediate attention is recommended to avoid further transmission damage.
Common Questions
What does B0733 mean and how does it affect my car?
The B0733 code signifies that there is a problem with the transmission range sensor, which is critical for the proper shifting of gears in your vehicle. When this sensor fails, it can lead to harsh shifting, poor acceleration, and even prevent your vehicle from moving. It's important to address this issue quickly to avoid potential damage to your transmission.
What are the most common causes of B0733 and how much does it cost to fix?
Common causes include a faulty transmission range sensor, wiring issues, or TCM failure. Repair costs typically range from $150 to $300 for sensor replacement, while wiring repairs can cost between $100 and $200.
Can I drive my car with B0733 or should I stop immediately?
While you can technically drive with the B0733 code, it is not advisable as it could lead to severe transmission damage or even a complete failure. It's best to stop driving and seek a professional assessment.
How can I diagnose B0733 myself using GeekOBD APP?
Using the GeekOBD APP, you can perform an OBD2 scan to read the trouble code and any freeze frame data. This will help you understand the conditions that triggered the code and guide you in your diagnostic process.
What vehicles are most commonly affected by B0733?
Commonly affected vehicles include the 2010-2015 Honda Accord, 2013-2017 Ford Fusion, and 2009-2014 Toyota Camry, among others. Always check for any recalls or technical service bulletins related to your vehicle.
How can I prevent B0733 from happening again?
Regular maintenance, including transmission fluid changes and inspections of electrical connections, can help prevent issues with the transmission range sensor. Address any leaks or unusual symptoms promptly.
What is B0733?
The B0733 diagnostic trouble code (DTC) indicates a problem with the transmission range sensor performance, which can affect various makes and models, particularly Honda, Ford, and Toyota vehicles. This sensor is crucial for ensuring that the transmission selects the correct gear based on the driver's input and vehicle speed. When the B0733 code is triggered, it generally means that the transmission control module (TCM) has detected an inconsistency in the signals received from the range sensor. This can lead to poor shifting, unexpected gear changes, or in some cases, the vehicle may not move at all. In practical terms, this could result in diminished fuel efficiency, increased wear on transmission components, and an overall unsafe driving experience. If left unaddressed, the issue can lead to more significant transmission problems and costly repairs. Car owners should be aware of this code's implications and seek timely diagnostic services to avoid escalating issues. Regular maintenance and inspections, particularly on older vehicles or those with high mileage, can help prevent the occurrence of this code.
System: B - Body (Airbags, Lighting, Security, Climate Control)
Symptoms
Common symptoms when B0733 is present:
- The Check Engine Light (CEL) illuminates and remains on, indicating that there's an issue that needs addressing.
- Transmission may hesitate during acceleration, leading to a lack of power when trying to merge or overtake.
- Fuel economy may decrease significantly, potentially dropping by 10-15% due to improper gear shifting.
- Rough or harsh shifting can be felt when changing gears, which may lead to a jolt or bump during transitions.
- In some cases, the vehicle may not go into gear at all, rendering it immobile until the issue is resolved.
Possible Causes
Most common causes of B0733 (ordered by frequency):
- {'cause': 'Faulty Transmission Range Sensor', 'likelihood': '65%', 'details': 'The most common reason for the B0733 code is a malfunctioning transmission range sensor, which may need replacement.'}
- {'cause': 'Wiring Issues', 'details': 'Damaged or corroded wiring related to the transmission range sensor can cause incorrect readings, leading to this code.'}
- {'cause': 'Transmission Control Module Failure', 'details': 'A malfunction of the TCM can result in improper communication with the range sensor, causing this DTC.'}
- {'cause': 'Fluid Leaks', 'details': 'Fluid leaks in the transmission system can lead to insufficient hydraulic pressure, affecting shifting and potentially triggering the B0733 code.'}
- {'cause': 'Improperly Adjusted Gear Linkage', 'details': 'If the gear linkage is not properly aligned, it may prevent the transmission from recognizing the correct gear position.'}
B0733 Repair Costs
Cost Breakdown by Repair Type
Transmission Range Sensor Replacement
Replacing the faulty transmission range sensor to restore proper function.
- Total: $150 - $300
- Success rate: 85%
Wiring Repair
Repairing or replacing damaged wiring and connectors associated with the transmission range sensor.
- Total: $100 - $200
- Success rate: 75%
Money-Saving Tips for B0733
- 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 B0733 Diagnosis Process
Follow these systematic steps to accurately diagnose B0733. 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 (5-10 minutes)
Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)
Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes).
Step 3: Step 3: Component testing - Use a multimeter to test the transmission range sensor and associated wiring (20-30 minutes)
Step 3: Component testing - Use a multimeter to test the transmission range sensor and associated wiring (20-30 minutes).
Step 4: Step 4: System function test - Verify proper operation after repairs and clear codes using GeekOBD APP (10-15 minutes)
Step 4: System function test - Verify proper operation after repairs and clear codes using GeekOBD APP (10-15 minutes).
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success (15-20 minutes)
Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success (15-20 minutes).
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 in a 2013 Honda Accord
Vehicle: 2013 Honda Accord, 85,000 miles
Problem: Customer reported rough shifting and a persistent Check Engine Light.
Diagnosis: Diagnostic scan revealed code B0733. Visual inspection showed a faulty transmission range sensor.
Solution: Replaced the transmission range sensor and cleared the codes.
Cost: $200 (sensor cost: $150, labor: $50)
Result: Post-repair, the vehicle shifted smoothly, and the Check Engine Light was no longer illuminated.
Case Study 2: Wiring Repair for B0733 in a 2014 Ford Fusion
Vehicle: 2014 Ford Fusion, 70,000 miles
Problem: Customer experienced poor acceleration and shifting delays.
Diagnosis: B0733 code was confirmed; wiring harness showed signs of wear.
Solution: Repaired damaged wiring and connectors related to the transmission range sensor.
Cost: $150 (labor and parts included)
Result: The vehicle performed normally following the repair, with no further issues reported.