Signal Too Low. Intermittent Fault

Signal too low. Intermittent fault

Intermittent fault
Check control module and transmission connectors for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults
Check the wiring between control module terminal A52 and transmission connector terminal C (#A3). Check the wiring between control module terminal A70 (#B10) and transmission connector terminal D (#A4) for an intermittent short-circuit to ground according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.

Hint: With the ignition off, the transmission connector disconnected, and the breakout box connected, the resistance between terminals 3 and 4 should be approximately 3.5 ohms.

Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box, 4T65EV-GT Connecting the Breakout Box.
- To connect the breakout box to the transmission connector, see Connecting the breakout box, GM automatic transmissions, 4T65EV-GT Connecting the Breakout Box, GM Automatic Transmissions.
- For information about signals, Signal Specification.









Select Continue when the fault has been remedied.

Continue - DONE Fault-tracing information

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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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