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P1607 Jeep Code - Powertrain Control Module Internal Shutdown Timer Slow Rationality

- Code Popularity: 47,318 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1607 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.
  • Low or no battery voltage
  • Faulty Alternator
  • Engine cooling conditions that may set the code
  • Engine coolant level
  • Blown Powertrain Control Module (PCM) Fuse
  • Outdated Powertrain Control Module program
  • Faulty Powertrain Control Module
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How to Fix the DTC P1607 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 P1607 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 P1607 Jeep Description

The Powertrain Control Module (PCM) compares actual shutdown time to a calculated shutdown time value. The calculated shutdown time value is based on the amount the Engine Coolant Temperature (ECT) should drop after a completely warmed-up engine is shut down for a minimum of 8 hours. If the difference between the actual shutdown time and the calculated shutdown time is greater than the maximum value, a one-trip failure will be set. The shutdown time is measured again after 1 hour of ignition off time following the next engine warm-up cycle. The PCM compares the shutdown time to a calculated value. If the difference is greater than the maximum value, the MIL is illuminated and the P1607 code will be set.

OBDII Code P1607 Jeep - Powertrain Control Module Internal Shutdown Timer Slow Rationality - AutoCodes.com
P1607 Jeep Code - Powertrain Control Module Internal Shutdown Timer Slow Rationality

Need More Information on the Code?

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Code P1607 Jeep comments

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