The P273B OBD-II code indicates a problem with the transmission friction element “H” apply time range or performance. This code is triggered by the Hybrid Control Module when it detects that the transmission clutch is not operating as expected.
What Does the P273B Code Mean?
The P273B code signifies that the Hybrid Control Module has identified an issue with the application’s performance of the friction element used in the transmission. This can lead to improper shifting of the transmission, affecting overall vehicle performance.
What Causes the P273B Code?
The following factors can trigger the P273B code:
- Malfunction of the Hybrid Control Module.
- Internal transmission failure.
- Low transmission fluid level.
- Failure of the transmission valve body solenoid.
What Are the Symptoms of the P273B Code?
When the P273B code is present, drivers may experience:
- Transmission may not shift properly.
- Engine may enter limp home mode, resulting in reduced performance.
How Serious Is the P273B Code?
The P273B code is categorized as urgent. It indicates a significant malfunction that could lead to severe damage to the vehicle’s transmission system or compromise the safety of the driver and passengers. Immediate attention is recommended.
How to Diagnose the P273B Code
Diagnosing the P273B code typically involves the following steps:
- Use an OBD-II scanner to confirm the presence of the P273B code and check for any other related codes.
- Inspect the transmission fluid level and condition.
- Examine the transmission valve body solenoid for proper operation.
- Test the Hybrid Control Module for any faults.
- Perform a visual inspection of the transmission system for any obvious issues.
Common Repairs for the P273B Code
Repairs for the P273B code may include:
- Refilling or replacing the transmission fluid.
- Repairing or replacing the valve body solenoid.
- Addressing any internal transmission issues.
- Replacing or reprogramming the Hybrid Control Module if necessary.
How Much Does It Cost to Fix the P273B Code?
The cost of repairs associated with the P273B code can vary widely, depending on the underlying cause. Minor repairs such as fluid replacement may range from $100 to $200, while more extensive repairs, like replacing the transmission solenoid or Hybrid Control Module, can cost between $500 and $1,500 or more.
Can I Fix the P273B Code Myself?
While some aspects of the P273B issue can be addressed by a knowledgeable DIY enthusiast, such as checking fluid levels or replacing a solenoid, it’s crucial to understand that transmission systems are complex. If you’re not experienced in automotive repairs, it’s best to seek professional assistance to avoid further damage.
