P1681

BAT Team

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

Trouble CodeFault LocationProbable Cause
P1681 Automotic Transmission To Engine Control Module Signal 'A' Input Low (ACURA, HONDA, ISUZU)
Engine Control Module Programming Incomplete (AUDI, VOLKSWAGEN)
Control Module Not Programmed (BUICK, CADILLAC, CHEVROLET, GMC, PONTIAC, SATURN)
No I/P Cluster CCD Messages Conditions (CHRYSLER, DODGE)

We recommend Torque Pro

Other Manufacturer Specific Definitions for P1681

Control Module Not Programmed (GM)
Engine control module (ECM) - programming incomplete (Volkswagen)
AT to ECM - signal A - input low (Acura)
Engine control module (ECM) - programming incomplete (Audi)
Vehicle speed sensor (VSS) signal (BMW)
Engine control module (ECM) -programming/ memory (Buick)
Engine control module (ECM) -malfunction (Cadillac)
Engine control module (ECM) -malfunction (Chevrolet)
CAN data bus, instrumentation -no signal (Chrysler)
CAN data bus, SRS control module malfunction (Dodge)
CAN data bus, SRS control module malfunction (Freightliner)
AT to ECM- signal A- voltage low (Honda)
Engine control module (ECM) -malfunction (Hummer)
Engine control module (ECM) – malfunction (Isuzu)
CAN data bus, instrumentation -no signal (Jeep)
Engine control module (ECM), crash signal – plausibility (Mercedes-Benz)
Engine control module (ECM) (Oldsmobile)
CAN data bus, instrumentation -no signal (Plymouth)
Engine control module  (EeM) – malfunction (Pontiac)
Engine control module (ECM) – malfunction (Saab)
Engine control module (ECM) -malfunction (Saturn)

BAT Team Discussions for P1681

  • P1681 & P1687 2004 300M
    2004 Chrysler 300M 3.5L 85,000km P1681-No cluster bus message P1687-No I/P cluster ccd/J1850 messages recieved Has anyone run into these codes on this vehicle? Intermittent code-rubbed wire?...