BAT Team

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

Trouble CodeFault LocationProbable Cause
P1694 Tachometer Circuit High Voltage (BUICK, CADILLAC, CHEVROLET, GMC)
No Messages Received From The Powertrain Control Module (CHRYSLER, DODGE, JEEP)
Immobilizer ECU Signal Error (HYUNDAI)

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Other Manufacturer Specific Definitions for P1694

Tachometer Circuit High Voltage (GM)
Charging system – voltage low (BMW)
Tachometer Circuit High Voltage (Buick)
Tachometer Circuit High Voltage (Cadillac)
CAN data bus, ECM -no signal (Chrysler)
CAN data bus, ECM no signal (Dodge)
Immobilizer system – ECM signal malfunction (Hyundai)
CAN data bus, ECM -no signal (Jeep)
CAN data bus, immobilizer control module – signal malfunction (Kia)
Tachometer Circuit High Voltage (Chevrolet)
Engine control module (ECM), speedometer output signal -circuit malfunction (Saturn)

BAT Team Discussions for P1694

    Have 2001 Dodge Ram 2500 PU with Cummins Diesel and Auto Trans. Truck has 52000 miles on it and ran great with no problems. Went to start it and gauges, tack, speedo and overhead console are all dead. Air Bag, Check Engine and ABS lights stay on. Truck starts and runs fine the little bit I drove...
  • 'no bus' code on 99 dodge ram 1500 laramie
    Hello newbie Cowboy217, or shall I say Coty. Next time the millage screen shows that message. Get the OBD2 codes immediately by turning ignition key from the off position to the "on/run" position (not "start") three times, on third time, leave it in on/run position and look at the millage screen. ...