P1458
Exhaust Gas Temperature Sensor 2 Short to Ground
P1458 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor 2 Short to Ground. Common causes: damage to the egt sensor wiring, short circuit in wiring harness. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Problems with diesel particulate filter regeneration (if installed)
- The engine goes into emergency mode
Causes
- Damage to the EGT sensor wiring
- Short circuit in wiring harness
- Malfunction of the exhaust temperature sensor itself
- Problems with sensor connectors
- Short circuit in the engine control unit
How to Fix
- Check the integrity of the EGT sensor wiring
- Check the resistance of the exhaust temperature sensor
- Inspect the sensor connectors for corrosion or damage.
- Check for a short to ground in the sensor circuit
- If necessary, replace the exhaust gas temperature sensor
Related codes
Error P1458 by Vehicle Brand
FAQ
What does the P1458 code mean?
P1458 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor 2 Short to Ground
What causes a P1458 error code?
The most common causes of P1458 include: Damage to the EGT sensor wiring; Short circuit in wiring harness; Malfunction of the exhaust temperature sensor itself; Problems with sensor connectors.
How do I fix a P1458 diagnostic trouble code?
To fix P1458: Check the integrity of the EGT sensor wiring. Check the resistance of the exhaust temperature sensor. Inspect the sensor connectors for corrosion or damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1458?
Yes, but get it checked soon
How much does it cost to fix P1458?
The estimated repair cost for P1458 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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