The OBD-II code P2794 indicates a problem with the gear shift direction circuit in vehicles equipped with automatic transmissions. This code often arises when the TAP shifting feature, which allows drivers to manually select gears, is compromised.
What Does the P2794 Code Mean?
The P2794 code signifies that the gear shift direction circuit is low. In simpler terms, this means that the vehicle’s onboard computer has detected an issue with the circuit that controls the gear shift direction, leading to potential malfunction of the TAP shifting feature.
What Causes the P2794 Code?
Several issues can trigger the P2794 code, including:
- Failure of the Body Control Module (BCM)
- Shift lever assembly failure
- Wiring issues within the gear shift circuit
What Are the Symptoms of the P2794 Code?
When the P2794 code is present, the primary symptom is that the TAP shifting function will be disabled. This means the driver will not be able to manually select gears while driving, which can affect the overall driving experience and control.
How Serious Is the P2794 Code?
The P2794 code is classified as having moderate severity. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is recommended to have it diagnosed within a reasonable timeframe to prevent further complications and ensure the vehicle operates smoothly.
How to Diagnose the P2794 Code
Diagnosing the P2794 code typically involves the following steps:
- Using an OBD-II scanner to confirm the code and check for any related trouble codes.
- Inspecting the wiring and connectors associated with the gear shift circuit for any signs of damage or corrosion.
- Testing the Body Control Module and shift lever assembly for proper operation.
- Performing a visual inspection for any other related issues that may affect the circuit.
Common Repairs for the P2794 Code
Common repairs to address the P2794 code may include:
- Replacing or repairing the Body Control Module (BCM)
- Fixing or replacing the shift lever assembly
- Repairing damaged wiring or connectors in the gear shift circuit
How Much Does It Cost to Fix the P2794 Code?
The cost to fix the P2794 code can vary significantly based on the specific repairs needed. On average, you might expect to pay between $100 to $600, depending on whether it involves simple wiring repairs or more complex module replacements.
Can I Fix the P2794 Code Myself?
While some basic troubleshooting and inspections can be done by knowledgeable car owners, fixing the P2794 code often requires specialized tools and expertise. If you are not familiar with automotive electronics, it is advisable to seek assistance from a certified mechanic to ensure proper diagnosis and repair.
