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 P1630 Isuzu 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.
The Vehicle Theft Deterrent (VTD) system is incorporated within the Body Control Module (BCM). If the BCM has been replaced, the password must be relearned. If the Engine Control Module (ECM) is replaced, the replacement ECM should learn the password within a few seconds after the ignition is turned ON. This is an information code indicating that the ECM is ready to learn the VTD password. The Diagnostic Trouble Code (DTC) will be set when the ECM remains in theft deterrent password learn mode for more than 2 seconds.
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