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P1603 Mitsubishi Code - Battery Backup Line Malfunction

- Code Popularity: 33,081 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1603 Mitsubishi?

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 Powertrain Control Module (PCM)
  • PCM harness is open or shorted
  • PCM circuit poor electrical connection
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How to Fix the DTC P1603 Mitsubishi?

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 P1603 Mitsubishi 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 P1603 Mitsubishi Description

The Powertrain Control Module (PCM) checks the open circuit of battery backup line.
NOTE: When the system detects an open circuit in the battery backup line, it makes 1 failure judgment of other diagnostic trouble codes (DTCs).

OBDII Code P1603 Mitsubishi - Battery Backup Line Malfunction - AutoCodes.com
P1603 Mitsubishi Code - Battery Backup Line Malfunction

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Code P1603 Mitsubishi comments

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