P0058 Cadillac Code - HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2
Quick Answer
Heated Oxygen Sensors (HO2S) are used for fuel control and post catalyst monitoring. Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2, Heated Oxygen Sensor Bank 2 Sensor 2 harness is open shorted, Heated Oxygen Sensor Bank 2 Sensor 2 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0058 Cadillac indicates HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2, Heated Oxygen Sensor Bank 2 Sensor 2 harness is open shorted, Heated Oxygen Sensor Bank 2 Sensor 2 circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0058 Cadillac Description
The Diagnostic Trouble Code (DTC) will be set when the ECM detects a short to voltage in the heater output low side driver circuit of the heated oxygen sensor when the heater is commanded ON for greater than 5 s.
What are the Possible Causes of the DTC P0058 Cadillac?
- Faulty Heated Oxygen Sensor (H2OS) Bank 2 Sensor 2
- Heated Oxygen Sensor Bank 2 Sensor 2 harness is open shorted
- Heated Oxygen Sensor Bank 2 Sensor 2 circuit poor electrical connection
- Heated Oxygen Sensor Bank 2 Sensor 2 circuit fuse
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0058 Cadillac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0058 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0058 Cadillac Code
1. What are the common symptoms of OBDII code P0058 in a Cadillac?
- Common symptoms include poor engine performance, decreased fuel efficiency, rough idling, and illuminated Check Engine Light.
2. What does the HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2 mean in relation to OBDII code P0058?
- This code indicates that the oxygen sensor located in Bank 2 Sensor 2 of the Cadillac is experiencing high voltage in its heater control circuit.
3. What are the possible causes of OBDII code P0058 in a Cadillac?
- Possible causes include a faulty oxygen sensor, wiring issues in the heater circuit, a damaged sensor connector, or an ECM (Engine Control Module) problem.
4. How serious is the OBDII code P0058 in a Cadillac?
- While the vehicle may still be operational with this code, it is important to address it promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance.
5. Can I continue driving my Cadillac with the OBDII code P0058 present?
- It is generally not recommended to continue driving with this code present, as it can lead to decreased fuel efficiency, engine performance issues, and potential damage to the catalytic converter.
6. How can I diagnose the OBDII code P0058 in my Cadillac?
- Diagnosis involves using an OBDII scanner to retrieve the specific code, inspecting the oxygen sensor and related wiring, and testing the sensor's heater circuit for proper function.
7. What are some tips for repairing OBDII code P0058 in a Cadillac?
- Repair tips include replacing the faulty oxygen sensor, repairing any damaged wiring or connectors, clearing the code, and retesting the vehicle to ensure the issue is resolved.
8. How much does it typically cost to repair OBDII code P0058 in a Cadillac?
- The cost of repair can vary depending on the root cause of the issue, but it may range from $200 to $500 for parts and labor at a professional auto repair shop.
9. How long does it take to repair OBDII code P0058 in a Cadillac?
- The repair time can vary based on the extent of the issue and the availability of parts, but it typically takes around 1 to 2 hours to complete the repair.
10. Can I reset the Check Engine Light after repairing OBDII code P0058 in my Cadillac?
- Yes, the Check Engine Light can be reset using an OBDII scanner after the repair has been completed to clear the code and ensure proper operation.
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