P06E4 Code - Control Module Wake-Up Circuit Performance
Quick Answer
The Accessory Wake Up Serial Data 2 circuit is activated by the Hybrid Powertrain Control Module 2 (HPCM2) to immediately power up other control modules connected to this circuit. Common causes include Faulty Hybrid Powertrain Control Module 2 (HPCM2), Hybrid Powertrain Control Module 2 harness is open or shorted, Hybrid Powertrain Control Module 2 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
- P06E4 indicates Control Module Wake-Up Circuit Performance.
- Common causes
- Common causes include Faulty Hybrid Powertrain Control Module 2 (HPCM2), Hybrid Powertrain Control Module 2 harness is open or shorted, Hybrid Powertrain Control Module 2 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 P06E4 Description
A Diagnostic Trouble Code (DTC) is triggered when the HPCM2 detects a fault or failure in the output wake-up circuit. This malfunction can prevent the control modules from receiving the necessary wake-up signal, potentially disrupting the vehicle's communication network and affecting the operation of various systems.
What are the Possible Causes of the DTC P06E4?
- Faulty Hybrid Powertrain Control Module 2 (HPCM2)
- Hybrid Powertrain Control Module 2 harness is open or shorted
- Hybrid Powertrain Control Module 2 circuit poor electrical connection
How to Fix the DTC P06E4?
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 P06E4 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
- P06E4 Buick — Control Module Wake-Up Circuit Performance
- P06E4 Cadillac — Control Module Wake-Up Circuit Performance
- P06E4 Chevrolet — Control Module Wake-Up Circuit Performance
- P06E4 Chrysler — Control Module Wake-Up Circuit Performance
- P06E4 Dodge — Control Module Wake-Up Circuit Performance
- P06E4 Fiat — Control Module Wake-Up Circuit Performance
- P06E4 Ford — Control Module Wake-Up Circuit Performance
- P06E4 GMC — Control Module Wake-Up Circuit Performance
- P06E4 Jeep — Control Module Wake-Up Circuit Performance
Frequently Asked Questions about P06E4 Code
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