P1E4A Cadillac Code - Control Module Redundant Drive Motor 1 Speed Sensing Circuit
Quick Answer
The drive motor generator position sensor is monitored by the motor control module. Common causes include Program Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted. 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
- P1E4A Cadillac indicates Control Module Redundant Drive Motor 1 Speed Sensing Circuit.
- Common causes
- Common causes include Program Power Inverter Module, Faulty Power Inverter Module, Power Inverter Module harness is open or shorted.
- 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 P1E4A Cadillac Description
What are the Possible Causes of the DTC P1E4A Cadillac?
- Program Power Inverter Module
- Faulty Power Inverter Module
- Power Inverter Module harness is open or shorted
- Power Inverter Module circuit poor electrical connection
How to Fix the DTC P1E4A Cadillac?
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 P1E4A Cadillac 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.
Need more information about the P1E4A Cadillac code?
Need more information on how to fix the P1E4A Cadillac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1E4A Cadillac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1E4A Cadillac Code
What does the OBDII code P1E4A mean on a Cadillac?
The code P1E4A indicates an issue with the Control Module Redundant Drive Motor 1 Speed Sensing Circuit, which monitors and verifies the speed of the drive motor.
What are the common symptoms of code P1E4A in a Cadillac?
Symptoms may include the check engine light turning on, reduced vehicle performance, limited acceleration, or issues with electric or hybrid drive functionality.
What causes the P1E4A code to appear?
The code can be triggered by a faulty speed sensor, damaged wiring or connectors, a malfunctioning drive motor, or a problem with the vehicle’s control module.
Can I drive my Cadillac with the P1E4A code active?
While the vehicle might still be operational, driving with this code can result in reduced performance and potential further damage to the drive motor system.
How is the P1E4A code diagnosed?
A technician typically uses a scan tool to confirm the code, inspects the speed sensor and related wiring, and tests the control module and drive motor for functionality.
What repairs are needed to fix the P1E4A code?
Repairs may involve replacing the faulty speed sensor, repairing or replacing damaged wiring, or reprogramming or replacing the control module.
Is the P1E4A code specific to Cadillacs?
While it is more commonly associated with Cadillac vehicles, the code can appear in other makes with similar drive motor systems.
How much does it cost to fix the P1E4A code on a Cadillac?
Repair costs can range from $150 to $800 or more, depending on whether the issue lies with the sensor, wiring, or control module.
Can a faulty speed sensor trigger the P1E4A code?
Yes, a malfunctioning speed sensor is one of the most common causes of the P1E4A code.
Will resetting the code fix the problem?
Resetting the code may clear the warning temporarily, but the underlying issue must be diagnosed and repaired to prevent the code from returning.
Discuss the causes and fixes for P1E4A Cadillac OBDII Code
Code P1E4A Cadillac comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
