P103E Buick 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 Buick 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 Buick Description
What are the Possible Causes of the DTC P103E Buick?
- 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 Buick?
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 Buick 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 Buick Code
1. What are the common symptoms of OBDII code P103E in a Buick related to the Auxiliary Coolant Pump Control Signal Message Counter Incorrect?
- Common symptoms include overheating of the engine, decreased fuel efficiency, and in some cases, the vehicle may go into a reduced power mode.
2. What are the possible causes of OBDII code P103E in a Buick?
- The code P103E can be triggered by issues such as a faulty auxiliary coolant pump, a malfunctioning coolant temperature sensor, wiring issues, or a problem with the engine control module (ECM).
3. How can I diagnose the OBDII code P103E in my Buick?
- Diagnosing code P103E typically involves using an OBDII scanner to retrieve the code, checking the coolant pump and related components for any visible damage or malfunctions, and conducting a thorough inspection of the wiring and connectors.
4. Can I continue driving my Buick with the OBDII code P103E present?
- It is not recommended to drive your Buick with the code P103E active, as it can lead to engine overheating and potential damage. It's best to address the issue promptly to avoid further complications.
5. How can I repair OBDII code P103E in my Buick?
- Repairing code P103E may involve replacing the faulty auxiliary coolant pump, fixing any wiring issues, replacing the coolant temperature sensor if necessary, and clearing the code with an OBDII scanner.
6. Is it possible to reset OBDII code P103E in a Buick without fixing the underlying issue?
- While you can clear the code temporarily with an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the proper functioning of the cooling system.
7. Are there any DIY tips for troubleshooting OBDII code P103E in a Buick?
- DIY troubleshooting tips include checking the coolant pump fuse, inspecting the coolant pump for leaks or unusual noises, and ensuring that the coolant level is at the proper level.
8. Can a faulty thermostat cause OBDII code P103E in a Buick?
- While a faulty thermostat is not a direct cause of code P103E, it can contribute to overheating issues in the engine, which may trigger the code. It's essential to address any thermostat problems along with the primary issue.
9. What implications does OBDII code P103E have on the emissions system of a Buick?
- Code P103E is related to the auxiliary coolant pump control, and while it may not directly impact the emissions system, prolonged driving with the issue unresolved can lead to engine damage and potentially affect emissions performance.
10. How much can I expect to pay for repairs related to OBDII code P103E in a Buick?
- The cost of repairs for code P103E can vary depending on the specific cause of the issue, the parts needed for replacement, and labor costs. It's advisable to consult with a qualified mechanic for an accurate estimate.
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