Engine-Codes
 
OBDII Code List
 
P1397 2009 FORD MUSTANG

P1397 2009 FORD MUSTANG - System Voltage Out Of Self Test Range

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

P1397 2009 Ford Mustang Possible Causes

  • Alternator belt loose or missing
  • Low battery voltage
  • Faulty Charging System

Cost of diagnosing the P1397 2009 Ford Mustang code

    Labor: 1.0

    The cost of diagnosing the P1397 2009 Ford Mustang code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected?

The Engine Control Module (ECM) has detected a voltage range that is higher or lower than expected.

P1397 2009 Ford Mustang Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1397 2009 Ford Mustang Meaning

The P1397 code indicates that the 12-volt system voltage is too high or too low during the Key On Engine Off (KOEO) or key on engine running (KOER) self-test. It sets if the system voltage falls below or exceeds the calibrated threshold at any time during the KOEO or KOER self-test.
OBDII Code P1397 2009 Ford Mustang - System Voltage Out Of Self Test Range - Engine-Codes.com

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