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Home >> Chevrolet >> 2003 >> Impala Base, 3.4 E >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System Self-Diagnostics - 3.8L) >> Diagnostic Tests >> DTC P1640: Output Driver Module Circuit No. 1 >> Conditions For Setting DTC

Conditions For Setting DTC

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DTC sets when ODM has detected a voltage more than 33 volts or excessive current is detected on any circuit to ODM for 30 seconds.

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