Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the P1662 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
Quad Driver Modules (QDM) are used by Powertrain Control Module (PCM) to turn on current driven devices needed to control various engine and transaxle functions. Each ODM can control up to 7 outputs, including cruise inhibit driver circuit, by supplying ground to the device PCM is commanding on. ODMs can diagnose each circuit individually. If ODM detects an improper voltage level in output circuit controlling the stepper motor cruise control inhibit circuit, the P1662 code will set.
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