Signal Too High. Intermittent Fault
Signal too high. Intermittent fault
Intermittent fault
Check the wiring between control module terminal A52 and automatic transmission connector terminal C (#A3). Check the wiring between control module terminal A70 (#B10) and automatic transmission connector terminal D (#A4) for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Remedy as necessary.
Other information:
- To disconnect control module, see Transmission control module (TCM), replacing Service and Repair.
- To connect the breakout box to the transmission connector, see Connecting the breakout box, GM automatic transmissions Connecting the Breakout Box, GM Automatic Transmissions.
- To connect the breakout box, see Connecting the breakout box, B8444S, TF-80SC AWD Connecting the Breakout Box.
- For information about signals, see Signal Description, Transmission Control Module (TCM)
Select Continue when the fault has been remedied.
Continue - Fault-tracing information
DONE
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Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - Exit Fault-Tracing
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Attempt New Test - Intermittent fault
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