What Does P2476 Mean?
The exhaust gas temperature sensor 4 on bank 2 is reporting a voltage signal higher than the maximum threshold expected by the PCM. This typically indicates an open circuit in the sensor wiring, a failed sensor, or loss of ground connection.
Common Causes
40%
Failed or open circuit EGT sensor 4 on bank 2
25%
Broken or disconnected wiring in sensor signal circuit
20%
Corroded connector causing high resistance or open circuit
10%
Poor or missing ground connection at sensor or PCM
5%
PCM internal circuit failure on bank 2 EGT sensor 4 input
Diagnostic Steps
1
Step 1: Inspect bank 2 EGT sensor 4 connector for proper connection, bent pins, or corrosion damage
2
Step 2: Disconnect sensor and measure resistance; compare to specifications to verify sensor integrity
3
Step 3: Check continuity from sensor connector to PCM on both signal and ground wires
4
Step 4: Verify 5V reference voltage present at sensor connector with key on, engine off
5
Step 5: Replace EGT sensor 4 if all circuits test normal; diagnose PCM if problem persists after sensor replacement
Estimated Repair Cost
$150 - $450
Parts + labor, varies by vehicle and location
The exhaust gas temperature sensor 4 on bank 2 is reporting a voltage signal higher than the maximum threshold expected by the PCM. This typically indicates an open circuit in the sensor wiring, a failed sensor, or loss of ground connection.
The most common cause of P2476 (Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 4) is: Failed or open circuit EGT sensor 4 on bank 2
Typical repair costs for P2476 range from $150 to $450, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Vehicle is safe to drive but may enter reduced power mode. DPF regeneration will not function properly on bank 2, potentially causing filter damage and costly repairs if not addressed promptly.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P2476 to identify the root cause.
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Quick Info
Category
Powertrain
System
Emissions Control System
Difficulty
Type
Generic (SAE)
Recommended Tools
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