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 the car's computer thinks the temperature sensor for the high voltage starter generator is reporting a temperature that is too low. It's like when a thermometer says it's super cold, but you know it's not that cold.
The vehicle's control module has detected that the temperature reading from the high voltage starter generator's temperature sensor is lower than expected, which could indicate a problem with the sensor or the circuit.
The P1E08 code is triggered when the Powertrain Control Module (PCM) or Battery Energy Control Module (BECM) detects a temperature reading from the high voltage starter generator temperature sensor that is lower than the specified range. This could be due to a faulty sensor, wiring issues, or a problem with the control module itself.
• Check Engine Light is on
• Possible reduction in fuel efficiency
• Potential issues with vehicle starting or performance
• Faulty temperature sensor
• Wiring issues or poor connections
• Faulty control module
PCM: Powertrain Control Module
BECM: Battery Energy Control Module
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the temperature sensor.
• Test the temperature sensor for proper operation.
• Replace the faulty temperature sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Chevrolet Volt
• Cadillac ELR
• Chevrolet Malibu Hybrid
• Regularly check and maintain vehicle's electrical connections.
• Ensure proper cooling system maintenance.
• Monitor vehicle performance for any unusual behavior.
Sensor Issue
• If the Check Engine Light is on, have the vehicle inspected as soon as possible.
• Avoid driving the vehicle aggressively until the issue is resolved.
Check with the vehicle manufacturer for warranty coverage on sensor or control module repairs.
This code has been reported in hybrid and electric vehicles, particularly those with complex electrical systems.
Moderate – It is advisable to address this issue soon to avoid potential performance problems.
Driving with a malfunctioning temperature sensor can lead to reduced performance and increased emissions.
• Vehicle should be in a safe and stable condition.
• Ensure the vehicle is at operating temperature.
The high voltage starter generator temperature sensor is typically located near the starter generator unit, often in the engine bay.
Q: Can I drive with a P1E08 code?
A: It's possible to drive for a short period, but it's recommended to have the issue checked to prevent further problems.
Q: How can I reset the Check Engine Light?
A: You can reset the light using an OBD-II scanner, but it's important to fix the underlying issue first.
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