Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that there's a problem with the car's electric motor system, and it's asking the car to go into a special mode that lets you drive slowly to get help.
The code indicates an issue with the damping controller for the drive motor 'A', affecting the vehicle's ability to operate normally.
P1E94 is triggered when the vehicle's control system detects a malfunction in the damping controller associated with Drive Motor 'A'. This can result in the vehicle entering a limp home mode, which restricts performance to prevent further damage.
• Reduced vehicle performance
• Warning light on the dashboard
• Limited driving range
• Faulty damping controller
• Wiring issues or poor connections
• Software glitch in the control module
Damping Controller: A device that manages the damping of the motor to ensure smooth operation.
Limp Home Mode: A safety feature that limits vehicle performance to allow driving to a service location.
• Check for other related codes
• Inspect the wiring and connections to the damping controller
• Test the damping controller for functionality
• Repair or replace faulty wiring
• Update or reprogram the control module software
• Replace the damping controller if necessary
• OBD-II scanner
• Multimeter
• Diagnostic software
$200 - $800
Moderate
• Chevrolet Volt
• Cadillac ELR
• Chevrolet Bolt EV
• Regular maintenance checks
• Ensure software updates are installed
• Inspect wiring for wear and tear
Engine Performance
• Drive cautiously if the vehicle enters limp mode
• Seek professional diagnostic and repair services
Repairs may be covered under the vehicle's powertrain warranty if applicable.
This code has been associated with electric and hybrid vehicles, particularly those with advanced motor control systems.
Moderate – While the vehicle can still be driven, performance is limited and should be addressed soon.
Operating a vehicle in limp mode can be dangerous; seek repairs promptly to ensure safety.
• Vehicle in operation
• Monitoring of motor control systems
The damping controller is typically located near the drive motor or integrated within the motor control module.
Q: Can I continue driving with this code?
A: You can drive in limp mode, but it's best to get the issue fixed as soon as possible.
Q: Will this code clear itself?
A: The code may clear temporarily, but the underlying issue needs to be addressed to prevent recurrence.
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