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P16C5 BMW Code - Main Relay Switching Delay

- Code Popularity: 4,533 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P16C5 BMW?

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 Main Relay
  • Main Relay harness is open or shorted
  • Main Relay circuit poor electrical connection
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How to Fix the DTC P16C5 BMW?

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 P16C5 BMW 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 P16C5 BMW Description

The Engine Control Module (ECM) monitors the Main Relay. The ECM sets the OBDII code when the Main Relay is not to factory specifications.

OBDII Code P16C5 BMW - Main Relay Switching Delay - AutoCodes.com
P16C5 BMW Code - Main Relay Switching Delay

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