Equinox AWD V6-3.4L VIN F (2006)
Step 13 - Step 18
The numbers below refer to the step numbers on the diagnostic table.
2. A partial malfunction in the class 2 serial data circuit uses a different procedure from a total malfunction of the class 2 serial data circuit. The
following modules communicate on the class 2 serial data circuit:
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Body control module (BCM)
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Digital radio receiver (DRR)
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Inflatable restraint sensing and diagnostic module (SDM)
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Instrument panel cluster (IPC)
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Power steering control module (PSCM)
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Radio
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Vehicle communication interface module (VCIM)
3. The following DTCs may be retrieved with a history status, but are not the cause of the present condition.
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U1300
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U1301
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U1305
6. A state of health DTC with a history status may be present along with a U1000 or U1255 code having a current status. This indicates that the
malfunction occurred when the ignition was ON.
7. Data link connector terminals 2 and 5 provide the connection to the class 2 serial data circuit and the signal ground circuit respectively.
10. A poor connection at DLC terminal of the splice pack - SP200 would cause this condition but will not set a DTC.
11. An open in the class 2 serial data circuit between the DLC and splice pack - SP200 will prevent the scan tool from communicating with any
module. This condition will not set a DTC.
12. The class 2 serial data circuit is shorted to voltage or ground. The condition may be due to the wiring or due to a malfunction in one of the