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AutoCodes - Generic - P1670

P1670 Code - Electronic Feedback Signal Not Detected

- Code Popularity: 42,841 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1670?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Open fuse
  • Faulty Injector Driver Module (IDM) relay
  • Open or shorted Injector Driver Module (IDM) enable circuit
  • Open/short in EF circuit
  • Open/short in Fuel Delivery Command Signal (FDCS) circuit
  • Injector Driver Module (IDM) powering circuits
  • Faulty Powertrain Control Module (PCM)
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How to Fix the DTC P1670?

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 P1670 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 P1670 Description

The Injector Driver Module (IDM) provides the EF output signal to the Powertrain Control Module (PCM) to confirm that proper timing/duration of Fuel Delivery Command Signal (FDCS) was received. Additionally, the EF signal is used to send diagnostics of the IDM and injectors (electrical) to the PCM.

OBDII Code P1670 - Electronic Feedback Signal Not Detected - AutoCodes.com
P1670 Code - Electronic Feedback Signal Not Detected

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Code P1670 comments

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