P1B06
Drive Motor 2 Control Module High Voltage System Interlock Circuit
P1B06 is an OBD-II diagnostic trouble code meaning: Drive Motor 2 Control Module High Voltage System Interlock Circuit. Common causes: open or short circuit in the interlock circuit, corrosion of contacts in high-voltage system connectors. Estimated repair cost: $56–278.
Symptoms
- Check Engine light comes on
- Reduced power or performance
- The vehicle goes into emergency mode
- Inability to start in electric mode
- Error message on the dashboard
Causes
- Open or short circuit in the interlock circuit
- Corrosion of contacts in high-voltage system connectors
- Engine control module 2 malfunction
- Problems with high voltage battery
- Mechanical damage to the wiring harness
How to Fix
- Visual inspection of high voltage wiring and connectors
- Checking the integrity of the interlock circuit using a multimeter
- Engine Control Module 2 Diagnosis
- Checking the condition of the high-voltage battery
- Contact a specialized service for hybrid/electric cars
Related codes
FAQ
What does the P1B06 code mean?
P1B06 is an OBD-II diagnostic trouble code that indicates: Drive Motor 2 Control Module High Voltage System Interlock Circuit
What causes a P1B06 error code?
The most common causes of P1B06 include: Open or short circuit in the interlock circuit; Corrosion of contacts in high-voltage system connectors; Engine control module 2 malfunction; Problems with high voltage battery.
How do I fix a P1B06 diagnostic trouble code?
To fix P1B06: Visual inspection of high voltage wiring and connectors. Checking the integrity of the interlock circuit using a multimeter. Engine Control Module 2 Diagnosis. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1B06?
Do not drive — repair immediately
How much does it cost to fix P1B06?
The estimated repair cost for P1B06 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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