P2487
Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5
Exhaust temperature (emissions)
Generic OBD-II
Medium
What it means
P2487 means the exhaust gas temperature (EGT) sensor for bank 2, sensor 5 is sending a signal that's too high, usually from an open circuit or wiring fault. These sensors help the engine protect the exhaust and manage particulate-filter regeneration, so the code reflects a monitoring problem rather than a running engine fault.
Medium
Can I keep driving? The car will usually still drive, but exhaust-temperature monitoring is unreliable, which can disrupt DPF regeneration and may cause reduced power on some vehicles.
Common symptoms
What you'll notice
- Check-engine light on
- Possible reduced power or limp mode on diesels during regeneration
- Failed or incomplete DPF/catalyst regeneration cycles
- Often no noticeable change in how the car drives
Common causes
Most likely first
- Faulty exhaust gas temperature (EGT) sensor on bank 2, sensor 5Likely
- Open or short in the EGT sensor wiring (reads as high voltage)Common
- Corroded or loose sensor connectorCommon
- Heat-damaged wiring near the exhaustLess often
- Rarely, an ECM faultLess often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and find the bank 2 / sensor 5 EGT sensor in the exhaust.
- Inspect the connector and wiring for heat damage, corrosion, or an open circuit.
- Check the sensor's resistance and signal against the manufacturer's spec.
- Repair damaged wiring or connectors before replacing the sensor.
- Replace the EGT sensor if it's out of range with good wiring, then clear and re-test.
FAQ
Quick answers
Is it safe to drive with P2487?+
Short-term usually yes, but exhaust-temperature protection and regeneration depend on this sensor, so repair it before long or heavy driving.
Can I just clear P2487?+
It returns until the sensor or its wiring is fixed. Clearing only turns the light off temporarily.
Related codes
Often seen with P2487
Read & clear P2487 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX