P1E4C Acura Code - Slave Cylinder Drive Motor Power Source Circuit High Voltage
Quick Answer
The Engine Control Module (ECM) monitors the Electric Servo Brake Control Unit. Common causes include Faulty Electric Servo Brake Control Unit, Electric Servo Brake Control Unit harness is open or shorted, Electric Servo Brake Control Unit 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
- P1E4C Acura indicates Slave Cylinder Drive Motor Power Source Circuit High Voltage.
- Common causes
- Common causes include Faulty Electric Servo Brake Control Unit, Electric Servo Brake Control Unit harness is open or shorted, Electric Servo Brake Control Unit 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 P1E4C Acura Description
What are the Possible Causes of the DTC P1E4C Acura?
- Faulty Electric Servo Brake Control Unit
- Electric Servo Brake Control Unit harness is open or shorted
- Electric Servo Brake Control Unit circuit poor electrical connection
How to Fix the DTC P1E4C Acura?
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 P1E4C Acura 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 P1E4C Acura Code
1. What does the OBDII code P1E4C mean on an Acura?
The P1E4C code indicates a "Slave Cylinder Drive Motor Power Source Circuit High Voltage," meaning the voltage in the circuit for the slave cylinder drive motor is higher than expected.
2. What are the common symptoms of the P1E4C code on an Acura?
Symptoms may include a check engine light, erratic shifting, reduced vehicle performance, or difficulty engaging gears.
3. What causes the P1E4C code to appear on an Acura?
Common causes include a faulty slave cylinder drive motor, wiring issues like short circuits, a damaged power source, or a malfunctioning transmission control module (TCM).
4. Is it safe to drive an Acura with the P1E4C code?
Driving with this code is not recommended, as it can lead to poor performance, further damage to the transmission, or unsafe driving conditions.
5. How do you diagnose the P1E4C code on an Acura?
Diagnosis involves using an OBDII scanner to confirm the code, inspecting the wiring and connectors for damage, and testing the slave cylinder drive motor and related components for proper voltage.
6. Can the P1E4C code be caused by a dead battery?
While unlikely, a weak or damaged battery could indirectly cause electrical issues that trigger the code. Testing the battery and charging system is a good idea.
7. How much does it cost to fix the P1E4C code on an Acura?
Repair costs vary widely depending on the cause. Wiring repairs may cost $100–$300, while replacing the slave cylinder drive motor or TCM could cost $500–$1,500.
8. Can I clear the P1E4C code without fixing the problem?
Clearing the code without addressing the underlying issue will only temporarily turn off the check engine light, and the code will likely reappear.
9. What tools are needed to troubleshoot the P1E4C code?
Tools include an OBDII scanner, a multimeter for voltage testing, and potentially a wiring diagram for the slave cylinder drive motor circuit.
10. Can a software update fix the P1E4C code on an Acura?
In rare cases, a software update to the transmission control module may resolve the issue, but it typically requires addressing hardware problems first. Consult your dealer for details.
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