The P2773 OBD-II code indicates an issue with the Four Wheel Drive (4WD) Low Switch Circuit. This code is commonly associated with problems in the system that allows the driver to switch between 2-wheel drive and 4-wheel drive modes.
What Does the P2773 Code Mean?
The P2773 code signifies that the Four Wheel Drive Low Switch Circuit is reporting a low signal. This means that the system is unable to properly engage the transfer case into the 4WD low mode, which can affect the vehicle’s performance in off-road or slippery conditions.
What Causes the P2773 Code?
Several factors can trigger the P2773 fault code:
- 4-wheel drive switch failure
- Transfer case internal failure
- Transmission Control Module (TCM) failure
- Wiring issues within the circuit
What Are the Symptoms of the P2773 Code?
When the P2773 code is present, you may experience:
- Inability to switch to 4-wheel drive low
- Warning lights on the dashboard
- Decreased vehicle performance in low traction situations
How Serious Is the P2773 Code?
The P2773 code is classified as a moderate severity issue. While it may not pose an immediate threat to vehicle safety, it is important to have it diagnosed and repaired in a timely manner to avoid potential complications that could lead to more serious problems down the line.
How to Diagnose the P2773 Code
A proper diagnosis of the P2773 code involves the following steps:
- Using an OBD-II scanner to confirm the P2773 code.
- Inspecting the 4WD switch for physical damage or wear.
- Testing the wiring and connectors for continuity and shorts.
- Examining the transfer case system for any internal issues.
- Checking the Transmission Control Module (TCM) for faults.
Common Repairs for the P2773 Code
Repairs related to the P2773 code may include:
- Replacing a faulty 4-wheel drive switch.
- Repairing or replacing damaged wiring and connectors.
- Repairing or replacing the transfer case if internal failure is identified.
- Reprogramming or replacing the Transmission Control Module (TCM) if necessary.
How Much Does It Cost to Fix the P2773 Code?
The cost to diagnose and repair the P2773 code can vary widely based on the specific issue and the vehicle make and model. Typically, you can expect to spend anywhere from $100 to $500, depending on the extent of the repairs needed.
Can I Fix the P2773 Code Myself?
If you have experience with automotive repairs and access to the necessary tools, you may be able to address some issues related to the P2773 code on your own, such as checking for wiring problems or replacing the 4-wheel drive switch. However, for more complex issues, especially those involving the transfer case or TCM, professional diagnosis and repair is recommended to ensure safety and proper vehicle operation.
