P103E 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 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 Description
What are the Possible Causes of the DTC P103E?
- 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?
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 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 Makes
- P103E Buick — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E Cadillac — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E Chevrolet — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E Chrysler — Cylinder 4 Oil Supply Solenoid Valve Driver Open Circuit
- P103E Dodge — Cylinder 4 Oil Supply Solenoid Valve Driver Open Circuit
- P103E Fiat — Cylinder 4 Oil Supply Solenoid Valve Driver Open Circuit
- P103E GMC — Auxiliary Coolant Pump Control Signal Message Counter Incorrect
- P103E Jeep — Cylinder 4 Oil Supply Solenoid Valve Driver Open Circuit
Frequently Asked Questions about P103E Code
1. What are the common symptoms of OBDII code P103E?
The common symptoms of OBDII code P103E include engine overheating, coolant leaks, and the auxiliary coolant pump running continuously.
2. What can cause the OBDII code P103E to appear?
The OBDII code P103E may appear due to a faulty auxiliary coolant pump, a malfunctioning coolant temperature sensor, wiring issues, or a problem with the engine control module.
3. How serious is the OBDII code P103E?
The OBDII code P103E is considered a moderate severity issue. While it may not cause immediate engine failure, it can lead to overheating and potential damage if left unrepaired.
4. How can I diagnose the OBDII code P103E?
Diagnosing the OBDII code P103E involves using an OBDII scanner to retrieve the code, checking the auxiliary coolant pump and related components for any visible damage or defects, and testing the coolant temperature sensor.
5. What are some repair tips for fixing the OBDII code P103E?
Repair tips for fixing the OBDII code P103E include replacing the auxiliary coolant pump if it is faulty, checking and repairing any damaged wiring, ensuring proper coolant levels, and resetting the fault code after repairs are completed.
6. Can I drive my vehicle with the OBDII code P103E?
It is not recommended to drive your vehicle with the OBDII code P103E, as it can lead to engine overheating and potential damage. It is best to address the issue as soon as possible.
7. How much does it cost to repair the OBDII code P103E?
The cost of repairing the OBDII code P103E can vary depending on the underlying cause of the issue, the cost of parts, and labor rates. It is advisable to consult a mechanic for an accurate estimate.
8. Is the OBDII code P103E a common problem in specific vehicle makes and models?
The OBDII code P103E is more commonly reported in certain vehicle makes and models that are equipped with auxiliary coolant pumps. However, it can potentially occur in any vehicle with a similar cooling system setup.
9. Can a DIY enthusiast fix the OBDII code P103E at home?
While some aspects of diagnosing and repairing the OBDII code P103E can be done by DIY enthusiasts, it is recommended to seek professional help, especially when dealing with electrical components and coolant systems.
10. How can I prevent the OBDII code P103E from recurring in the future?
To prevent the OBDII code P103E from recurring, it is important to perform regular maintenance on the cooling system, address any leaks promptly, and ensure all components are functioning correctly.
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