BAT Team

By BAT Team (Contact Me)
Last Updated 2017-01-17
A site with free advice from mechanics.

Trouble CodeFault LocationProbable Cause
P1601 Engine Control Module Supply Voltage (AUDI, HYUNDAI, ISUZU, SAAB, VOLKSWAGEN)
Serial Communication Malfunction (BUICK, CADILLAC, CHEVROLET, GMC)
Injector Correction Circuit Malfunction (TOYOTA)

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Other Manufacturer Specific Definitions for P1601

CAN data bus, engine control module (ECM)/ anti lock brake system (ABS)/traction control system (TCS)/instrumentation control module/ diagnostic control module some communication lost (GM)
Injector Correction Circuit Malfunction (Toyota)
Engine control module (ECM) - supply voltage (Volkswagen)
Engine control module (ECM) - supply voltage (Audi)
Serial Communication Malfunction (Buick)
Engine control module (ECM) -temperature high (Cadillac)
CAN data bus, ECM/ASSITCS/instrumentation control module/diagnostic control module some communication lost (Chevrolet)
Integrated motor assist – system malfunction (Honda)
Engine Control Module Supply Voltage (Hyundai)
Serial communication – malfunction (Isuzu)
ECM to AT communication – signal error (Mazda)
ECM to throttle control unit – communication malfunction (Mitsubishi)
Data bus -circuit malfunction (Oldsmobile)
CAN data bus, engine control module(ECM)/antilock brake system (ABS)/traction control system (TCS)/instrumentation control module/diagnostic control module -not allmodules communicating (Pontiac)
Engine control module (ECM) – defective (Saab)
CAN data bus, engine control module (ECM)I antilock braking system (ABS)/traction control system (TCS)/instrumentation control moduleldiagnostic control module some communication lost (Saturn)
Engine control module (ECM), CAN data bus – communication malfunction (Suzuki)
Electronic throttle system (ETS), throttle motor – circuit malfunction (Volvo)

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