Engine-Codes - Generic - P1689

P1689 Code - No Communication Between ECM and Injection Pump Module Data

- Code Popularity: 34,960 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P1689?

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 Fuel Pump Control Module (FPCM)
  • Fuel Pump Control Module (FPCM) harness is open or shorted
  • Fuel Pump Control Module (FPCM) circuit poor electrical connection
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How to Fix the DTC P1689?

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 P1689 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 P1689 Code Mean?

Fuel Pump Control Module (FPCM) is monitored with ignition on engine off, and with the engine running. The P1689 code may set if FPCM, Powertrain Control Module (PCM) memory, programming or hardware error is detected.

P1689 Code - No Communication Between ECM and Injection Pump Module Data

Need more Information on the Code?

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Code P1689 Information for Specific Makes

  • P1689 Buick Traction Control Delivered Torque Output Circuit
  • P1689 Cadillac Traction Control Delivered Torque Output Circuit
  • P1689 Chevrolet Traction Control Delivered Torque Output Circuit
  • P1689 Chrysler No Communication Between ECM and Injection Pump Module Data
  • P1689 Dodge No Communication Between ECM and Injection Pump Module Data  
  • P1689 GMC Traction Control Delivered Torque Output Circuit
  • P1689 Hummer Traction Control Delivered Torque Output Circuit
  • P1689 Jeep No Communication Between ECM and Injection Pump Module Data

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