The P073A OBD-II code indicates that the vehicle’s automatic transmission is stuck in fifth gear. This means the transmission is unable to shift out of this gear, leading to various performance issues.
What Does the P073A Code Mean?
The P073A code signifies that the transmission control module (TCM) has detected that the transmission is unable to change gears as it should. Specifically, the transmission is stuck in fifth gear.
What Causes the P073A Code?
Several factors can trigger the P073A code, including:
- Internal transmission failure
- Transmission Control Module (TCM) failure
- Transmission valve body solenoid failure
- Wiring issues
What Are the Symptoms of the P073A Code?
Common symptoms associated with the P073A code include:
- Increased fuel consumption
- Transmission may not shift properly
How Serious Is the P073A Code?
The P073A code is categorized as urgent. Failure to address this issue can lead to significant damage to your vehicle’s transmission and can pose safety risks by affecting driving performance.
How to Diagnose the P073A Code
To properly diagnose the P073A code, a mechanic should:
- Use an OBD-II scanner to confirm the code
- Inspect the wiring and connectors related to the transmission
- Check the Transmission Control Module (TCM) for faults
- Examine the transmission fluid level and condition
- Perform a road test to observe transmission behavior
Common Repairs for the P073A Code
Repairs for the P073A code may include:
- Replacing faulty transmission components (e.g., TCM, solenoids)
- Repairing or replacing damaged wiring
- Performing a transmission fluid change
- Overhauling the transmission if internal failures are detected
How Much Does It Cost to Fix the P073A Code?
The cost to repair the P073A code can vary widely based on the specific cause of the problem. Typical repair costs may range from $150 to $2,500 depending on whether it requires simple repairs or a complete transmission replacement.
Can I Fix the P073A Code Myself?
While some aspects of diagnosing the P073A code may be within your capabilities, such as checking fluid levels and inspecting wiring, it is generally recommended to consult a professional mechanic for a thorough diagnosis and repair. This ensures that underlying issues are accurately identified and resolved.