The P2085 code is an OBD-II trouble code that indicates an issue with the exhaust gas temperature sensor circuit. This code is significant as it relates to the proper functioning of the vehicle’s emissions system.
What Does the P2085 Code Mean?
The P2085 code specifically refers to an intermittent signal from the Exhaust Gas Temperature (EGT) sensor. This sensor plays a crucial role in monitoring the temperature of exhaust gases going into and out of the Selective Catalytic Reduction (SCR) system. When the Powertrain Control Module (PCM) detects an implausible signal from the EGT sensor, it triggers the P2085 code.
What Causes the P2085 Code?
Several factors can lead to the P2085 code being stored, including:
- Exhaust Gas Temperature (EGT) sensor failure
- Powertrain Control Module (PCM) failure
- Wiring issues, such as damaged or corroded connectors
What Are the Symptoms of the P2085 Code?
Drivers may experience symptoms related to the P2085 code, such as:
- Decreased engine performance
- Potential increase in emissions
- Illuminated check engine light
How Serious Is the P2085 Code?
The P2085 code is classified as a moderate severity code. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is important to address it within a reasonable time frame to prevent further complications and ensure optimal vehicle performance.
How to Diagnose the P2085 Code
Diagnosing the P2085 code typically involves a few key steps:
- Using an OBD-II scanner to confirm the P2085 code and check for any related codes.
- Inspecting the EGT sensor and its wiring for any visible damage or corrosion.
- Testing the EGT sensor’s resistance and functionality.
- Checking the PCM for any faults or errors.
Common Repairs for the P2085 Code
Repairs for the P2085 code may include:
- Replacing the faulty Exhaust Gas Temperature (EGT) sensor
- Repairing or replacing damaged wiring or connectors
- Reprogramming or replacing the Powertrain Control Module (PCM) if necessary
How Much Does It Cost to Fix the P2085 Code?
The cost of fixing the P2085 code can vary widely depending on the specific causes and repairs needed. On average, you might expect to pay anywhere from $100 to $400, depending on whether you need to replace the EGT sensor, repair wiring, or address PCM issues.
Can I Fix the P2085 Code Myself?
While some DIY enthusiasts may be able to diagnose and repair issues related to the P2085 code, it is recommended to have a professional mechanic perform the diagnosis and repairs. The EGT sensor and wiring can be complex, and incorrect repairs may lead to further issues.
