Stratus Coupe L4-2.4L VIN G (2003)
Connectors
DTC 21: Short Circuit Communication Line
CIRCUIT OPERATION
ETACS-ECU, column switch (incorporated in ECU), front-ECU and sunroof motor assembly (incorporated in ECU) communicate with each other
through the SWS communication line.
DTC SET CONDITION
This DTC is displayed when the SWS communication line remains at low level for 0.3 seconds. No other DTC is displayed if DTC 21 is displayed.
TROUBLESHOOTING HINTS
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The ETACS-ECU may be defective
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The column switch may be defective
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The front-ECU may be defective
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The sunroof motor assembly may be defective
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The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector
DIAGNOSIS
Required Special Tools:
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MB991223: Harness Set
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MB991502: Scan Tool (MUT-II)
