Fault Code P0A1B
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0A1B
Drive Motor 'B' Control Module
This code indicates a general problem with the 'B' drive motor control module, which is responsible for operating an additional electric motor or generator in complex hybrid/electric systems. A fault in this module can critically affect the vehicle's driveability and performance.
Part Details
Part Name
Drive Motor 'B' Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪6000 - ₪15000
Engine Location
Electric/Hybrid drive system
Symptoms
- Vehicle driving with limited power
- Check engine or 'Hybrid System' light illuminated
- Weak acceleration or slow response
- Fault in regenerative braking
Possible Causes
- 1Internal failure of the control module (MCU/inverter)
- 2Loose or damaged wiring to the module
- 3Overheating of the module
- 4Fault in motor speed or current sensors
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