Engine-Codes - Generic - P1587

P1587 Code - CAN Communication Error MT/AT Recognition Error

- Code Popularity: 20,369 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P1587?

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 Engine Control Module (ECM)
  • ECM harness is open or shorted
  • ECM circuit poor electrical connection
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How to Fix the DTC P1587?

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 P1587 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 P1587 Code Mean?

Because both A/T and M/T fuel control map is inputted in one type of Engine Control Module (ECM) and selecting option is possible, one type is applied to both A/T and M/T option.
When ECM is installed to vehicle, A/T and M/T recognition is performed by ECM automatically as checking whether ground line is grounded or opened.

P1587 Code - CAN Communication Error MT/AT Recognition Error

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Code P1587 Information for Specific Makes

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