P1015 GMC Code - Reductant Control Module Sensor Serial Communication Circuit Low Voltage
Quick Answer
The Reductant Quality Sensor is located in the reductant tank and uses an ultrasonic signal to measure reductant fluid quality. Common causes include Faulty Reductant Control Module, Reductant Control Module harness is open or shorted, Reductant Control Module 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
- P1015 GMC indicates Reductant Control Module Sensor Serial Communication Circuit Low Voltage.
- Common causes
- Common causes include Faulty Reductant Control Module, Reductant Control Module harness is open or shorted, Reductant Control Module 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 P1015 GMC Description
What are the Possible Causes of the DTC P1015 GMC?
- Faulty Reductant Control Module
- Reductant Control Module harness is open or shorted
- Reductant Control Module circuit poor electrical connection
- Faulty Reductant Quality Sensor
How to Fix the DTC P1015 GMC?
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 P1015 GMC 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 P1015 GMC Code
1. What does the OBDII code P1015 mean on a GMC vehicle?
Code P1015 indicates a low voltage issue in the serial communication circuit of the Reductant Control Module Sensor, which is part of the diesel exhaust aftertreatment system.
2. What are the common symptoms of a P1015 code?
Symptoms may include the Check Engine Light turning on, reduced engine performance, warnings for the diesel exhaust fluid (DEF) system, or potential issues with emissions compliance.
3. What causes the P1015 code on a GMC?
Common causes include a faulty Reductant Control Module, damaged wiring or connectors in the communication circuit, low system voltage, or issues with the Powertrain Control Module (PCM).
4. Can I drive my GMC with a P1015 code?
Driving with a P1015 code may lead to reduced performance or emissions-related failures. It's best to address the issue promptly to avoid further damage.
5. How do you diagnose a P1015 code?
Diagnosis involves scanning for additional codes, inspecting the wiring and connectors for damage or corrosion, checking the Reductant Control Module, and verifying proper voltage supply to the circuit.
6. How is the P1015 code typically fixed?
Repairs may include replacing damaged wiring or connectors, repairing or replacing the Reductant Control Module, or updating the PCM software if needed.
7. Does the P1015 code require replacing the Reductant Control Module?
Not always. The issue could be caused by faulty wiring or insufficient voltage, so a thorough diagnosis is essential before replacing the module.
8. Can a weak battery cause the P1015 code on a GMC?
Yes, a weak or failing battery can lead to low voltage in the circuit, potentially triggering the P1015 code.
9. Is a dealership required to fix the P1015 code?
While a dealership has specialized tools and knowledge, an experienced mechanic with proper diagnostic equipment can also address the issue.
10. Will clearing the P1015 code with a scan tool fix the problem?
Clearing the code may temporarily turn off the Check Engine Light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P1015 GMC OBDII Code
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