Engine-Codes - Generic - P1686

P1686 Code - No SKIM BUS Messages Received

- Code Popularity: 29,049 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents
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What are the Possible Causes of the DTC P1686?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Reprogram Smart Key Immobilizer Module (SKIM) key
  • Faulty Immobilizer Key
  • Faulty Immobilizer Module
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How to Fix the DTC P1686?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1686 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1686 Code Mean?

The Powertrain Control Module (PCM) monitors the Smart Key Immobilizer Module (SKIM) for messages. The PCM will set the Diagnostic Trouble Code (DTC) when no messages received from the Smart Key Immobilizer Module.

P1686 Code - No SKIM BUS Messages Received

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Code P1686 Information for Specific Makes

  • P1686 Acura Automotic Transmission To Engine Control Module Signal 'B' Input Low
  • P1686 Buick Transmission Control Module Power Up Temperature Sensor Circuit High Voltage
  • P1686 Cadillac Transmission Control Module Power Up Temperature Sensor Circuit High Voltage
  • P1686 Chevrolet Transmission Control Module Power Up Temperature Sensor Circuit High Voltage
  • P1686 Chrysler No SKIM BUS Messages Received
  • P1686 Dodge No SKIM BUS Messages Received
  • P1686 GMC Transmission Control Module Power Up Temperature Sensor Circuit High Voltage
  • P1686 Honda Automotic Transmission To Engine Control Module Signal 'B' Input Low
  • P1686 Isuzu Automotic Transmission To Engine Control Module Signal 'B' Input Low
  • P1686 Jeep No SKIM BUS Messages Received
  • P1686 Pontiac Transmission Control Module Power Up Temperature Sensor Circuit High Voltage
  • P1686 Saturn Transmission Control Module Power Up Temperature Sensor Circuit High Voltage

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