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U0100 Jeep Code - Lost Communication With Engine Control Module/Powertrain Control Module

- Code Popularity: 19,421 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC U0100 Jeep?

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) / Powertrain Control Module (PCM)
  • ECM/PCM harness is open or shorted
  • ECM/PCM circuit poor electrical connection
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How to Fix the DTC U0100 Jeep?

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 U0100 Jeep 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 U0100 Jeep Description

Modules connected to the high-speed Local Area Network (LAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. The modules have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver module as an availability indication of the transmitter module. Each message contains the identification number of the transmitter module.

OBDII Code U0100 Jeep - Lost Communication With Engine Control Module/Powertrain Control Module - AutoCodes.com
U0100 Jeep Code - Lost Communication With Engine Control Module/Powertrain Control Module

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Code U0100 Jeep comments

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