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Home >> Suzuki >> 2007 >> SX4 Base, Standard >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Differential >> Diagnostic Information & Procedures >> DTC C1243: Internal Circuit Malfunction of 4WD Control Module >> Troubleshooting
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DTC C1243: Internal Circuit Malfunction of 4WD Control Module: Troubleshooting

Substitute a known-good 4WD control module and recheck.

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