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P1643 Chevrolet Code - Wait To Start Lamp Control Circuit Conditions

- Code Popularity: 10,646 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1643 Chevrolet?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Wait To Start Lamp
  • Wait To Start Lamp harness is open or shorted
  • Wait To Start Lamp circuit poor electrical connection
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How to Fix the DTC P1643 Chevrolet?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1643 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.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1643 Chevrolet Description

With the key on or engine running, then with the Wait To Start lamp requested on (Test 1), the Powertrain Control Module (PCM) detects that the voltage ON the lamp control circuit was high, or with the lamp requested off, that the voltage on the lamp control circuit was near zero (0) volts.

OBDII Code P1643 Chevrolet - Wait To Start Lamp Control Circuit Conditions - AutoCodes.com
P1643 Chevrolet Code - Wait To Start Lamp Control Circuit Conditions

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Code P1643 Chevrolet comments

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