TM 5-3805-298-23-1
0116
Table 1. 1834 Ignition Key Switch (Transmission) Diagnostic Codes.
0116
CID FMI CODE
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
1834-2 Ignition Key Switch
Circuit Voltage Erratic,
Always inspect wiring harness connectors that are involved in the circuit.
Intermittent, or Incorrect
Poor connections can often be the cause of a problem in an electrical
circuit. Verify that all connections in the circuit are clean and secure and
that all connections are in good condition. If a problem with the
connection is found, correct the problem and verify that this malfunction
or diagnostic code is active before performing this procedure.
Perform open or short-circuit test at each wiring harness connection to
identify the correct wiring harness to replace.
Tag all wiring harnesses to aid in installation.
Perform this test only if condition is active.
DIAGNOSTIC CODE SET CONDITION
Transmission ECM detects erratic signal from the ignition switch because the
ignition switch was cycled at least three times within the last second.
POSSIBLE CAUSE
Rapid cycling of the ignition switch.
Lower cab wiring harness high resistance.
Engine wiring harness.
Main relay magnetic switch.
Fuel prime pump.
Transmission ECM.
NOTE
Do not perform this procedure if it is suspected that this code was
generated due to rapid cycling of the ignition switch.
Test Step 1. Check for Active
Diagnostic Codes.
Connect MSD. Select Transmission
Diagnostic Code 1834-2 Active -
924H and check for active diagnostic
Proceed to Test Step 2.
codes (WP 0008).
Diagnostic Code 1834-2 Not Active -
Troubleshooting is complete.