P0ACE Chevrolet Code - Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic
Quick Answer
Hybrid/EV Battery Temperature Sensors are used to monitor the battery temperature. Common causes include Faulty Hybrid/EV Battery Assembly, Hybrid/EV Battery Assembly harness is open or shorted, Hybrid/EV Battery Assembly circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0ACE Chevrolet indicates Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic.
- Common causes
- Common causes include Faulty Hybrid/EV Battery Assembly, Hybrid/EV Battery Assembly harness is open or shorted, Hybrid/EV Battery Assembly circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0ACE Chevrolet Description
Each Hybrid/EV Battery Interface Control Module communicates the temperature sensor values to the Hybrid/EV Powertrain Control Module via serial data.
The Hybrid/EV Powertrain Control Module uses the battery temperature sensors to determine the Hybrid/EV Battery Module temperature in order to control the battery cooling system operation.
The Diagnostic Trouble Code (DTC) will be set when the hybrid battery temperature sensor is intermittent or has changed by 10°C (18°F) or greater for 4 out of 5 seconds.
What are the Possible Causes of the DTC P0ACE Chevrolet?
- Faulty Hybrid/EV Battery Assembly
- Hybrid/EV Battery Assembly harness is open or shorted
- Hybrid/EV Battery Assembly circuit poor electrical connection
- Faulty Hybrid/EV Battery Interface Control Module
How to Fix the DTC P0ACE Chevrolet?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0ACE Chevrolet 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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Information for Specific Chevrolet Models
- P0ACE 2014 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic
- P0ACE 2015 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic
- P0ACE 2016 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic
- P0ACE 2017 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic
- P0ACE 2018 Chevrolet Silverado — Hybrid/EV Battery Temperature Sensor 3 Circuit Erratic
Frequently Asked Questions about P0ACE Chevrolet Code
1. What does the OBDII code P0ACE mean on a Chevrolet?
P0ACE indicates an erratic circuit issue with Hybrid/EV Battery Temperature Sensor 3, meaning the sensor is providing inconsistent or unexpected readings.
2. What are the common symptoms of code P0ACE in a Chevrolet?
Symptoms may include the check engine light turning on, reduced fuel economy, limited hybrid system performance, or the vehicle entering "limp mode."
3. What causes the P0ACE code to appear in a Chevrolet?
Common causes include a faulty temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the hybrid battery control module.
4. Can I still drive my Chevrolet if the P0ACE code is present?
Driving with this code may be possible, but it can lead to reduced performance or potential damage to the hybrid battery system. It’s best to address it promptly.
5. How is the P0ACE code diagnosed in a Chevrolet?
A technician will use a diagnostic scanner to confirm the code, inspect the temperature sensor and associated wiring, and check for additional trouble codes.
6. What repairs can fix the P0ACE code in a Chevrolet?
Repairs may involve replacing the faulty temperature sensor, repairing or replacing damaged wiring or connectors, or reprogramming/updating the hybrid battery control module.
7. How much does it cost to fix the P0ACE code in a Chevrolet?
Repair costs can vary but generally range from $150 to $500, depending on whether the issue is with the sensor, wiring, or control module.
8. Can a weak hybrid battery trigger the P0ACE code in a Chevrolet?
While the code specifically relates to the temperature sensor circuit, a degraded hybrid battery can sometimes exacerbate sensor issues or cause erratic readings.
9. How can I prevent the P0ACE code from occurring in my Chevrolet?
Regular maintenance, inspecting the battery system, and ensuring wiring and connectors are in good condition can help prevent this code.
10. Does the P0ACE code require immediate attention for my Chevrolet?
Yes, since it relates to the hybrid battery system, addressing the issue promptly helps avoid further damage and ensures optimal vehicle performance.
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