Exhaust Gas Temp Sensor Circuit Range/Performance Bank 1 Sensor 5
The P2483 code indicates that the Engine Control Module (ECM) has detected a performance or range issue with the exhaust gas temperature (EGT) sensor located in Bank 1, Sensor 5 (typically downstream of the diesel particulate filter or in the selective catalytic reduction system). This sensor monitors exhaust temperature for emissions control and regeneration events. The code sets when the sensor signal is out of expected range or responds too slowly, often due to sensor degradation, wiring issues, or exhaust system problems.
1. Most Common Causes
- Faulty EGT sensor (Bank 1 Sensor 5)
- Wiring or connector damage (corrosion, broken wires)
- Exhaust leaks near the sensor
- ECM software issues or calibration errors
2. Symptoms You Will Notice
- Check Engine Light illuminated
- Reduced fuel economy
- Possible limp mode or reduced engine power
- Failed emissions test
3. Step-by-Step Diagnosis
Step 1: Scan for codes and record freeze frame data.
Step 2: Visually inspect the EGT sensor and wiring for damage or corrosion.
Step 3: Compare sensor readings with a scan tool to expected values (e.g., at idle vs. load).
Step 4: Test sensor resistance and voltage per manufacturer specs.
Step 5: Check for exhaust leaks near the sensor location.
4. Frequently Asked Questions
Is it safe to drive with this code?▼
It is generally safe for short trips, but prolonged driving may cause reduced performance, increased emissions, and potential damage to the DPF or SCR system. It's best to diagnose and repair promptly.
How much does it cost to fix?▼
The cost typically ranges from $50 to $150 for a DIY sensor replacement, or $150 to $400 at a shop including labor and parts.
5. Commonly Affected Makes
This is a generic OBD2 code, potentially applicable to any manufacturer using this diagnostic standard.