P103E 2015 Chevrolet Silverado Code - Auxiliary Coolant Pump Control Signal Message Counter Incorrect
Quick Answer
Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Auxiliary Coolant Pump Control Module, Auxiliary Coolant Pump Control Module harness is open or shorted, Auxiliary Coolant Pump 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
- P103E 2015 Chevrolet Silverado indicates Auxiliary Coolant Pump Control Signal Message Counter Incorrect.
- Common causes
- Common causes include Faulty Auxiliary Coolant Pump Control Module, Auxiliary Coolant Pump Control Module harness is open or shorted, Auxiliary Coolant Pump 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 P103E 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P103E 2015 Chevrolet Silverado?
- Faulty Auxiliary Coolant Pump Control Module
- Auxiliary Coolant Pump Control Module harness is open or shorted
- Auxiliary Coolant Pump Control Module circuit poor electrical connection
How to Fix the DTC P103E 2015 Chevrolet Silverado?
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 P103E 2015 Chevrolet Silverado 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 P103E 2015 Chevrolet Silverado Code
What does the OBDII code P103E mean for a 2015 Chevrolet Silverado?
The P103E code indicates an issue with the auxiliary coolant pump control signal, specifically that the message counter is incorrect or out of range.
What are the common symptoms of code P103E in a 2015 Chevrolet Silverado?
Symptoms may include the check engine light turning on, reduced engine cooling efficiency, or higher-than-normal engine temperatures.
What causes the P103E code to appear on a 2015 Chevrolet Silverado?
Common causes include a malfunctioning auxiliary coolant pump, wiring issues, a faulty control module, or incorrect communication between the pump and the ECM.
Can I drive my 2015 Chevrolet Silverado with the P103E code?
It’s not recommended to drive for an extended period with this code, as it could lead to reduced cooling performance and potential engine overheating.
How is the P103E code diagnosed?
A technician will use a scan tool to confirm the code, inspect the auxiliary coolant pump and wiring, and check for communication errors between the pump and the ECM.
What tools are needed to repair the P103E code?
Repairs may require a diagnostic scan tool, a multimeter for testing electrical connections, and possibly replacement parts like the auxiliary coolant pump.
How can I fix the P103E code on my 2015 Chevrolet Silverado?
Repairs might involve replacing the auxiliary coolant pump, repairing damaged wiring or connectors, or reprogramming/updating the ECM software.
How much does it cost to repair the P103E code on a Chevrolet Silverado?
Repair costs can vary but typically range from $150 to $500, depending on whether parts like the pump or wiring need to be replaced.
Is the P103E code a common issue on 2015 Chevrolet Silverados?
This code is relatively uncommon but may occur in vehicles with higher mileage or those with previous cooling system issues.
Can a faulty ECM cause the P103E code?
Yes, a malfunctioning ECM can cause communication errors that trigger the P103E code, though this is less common than pump or wiring issues.
Discuss the causes and fixes for P103E 2015 Chevrolet Silverado OBDII Code
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