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

Quick Answer

The Powertrain Control Module (PCM) compares actual shutdown time to a calculated shutdown time value. Common causes include Low or no battery voltage, Faulty Alternator, Engine cooling conditions that may set the code. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1607 Chrysler indicates Powertrain Control Module Internal Shutdown Timer Slow Rationality.
Common causes
Common causes include Low or no battery voltage, Faulty Alternator, Engine cooling conditions that may set the code.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 33,622
How popular is this code, among other codes? Low
What is this?
Table of contents Created and updated by William Orellana on Feb 12, 2024
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Code P1607 Chrysler 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 Chrysler - Powertrain Control Module Internal Shutdown Timer Slow Rationality - AutoCodes.com
P1607 Chrysler Code - Powertrain Control Module Internal Shutdown Timer Slow Rationality
What does this mean?

What are the Possible Causes of the DTC P1607 Chrysler?

  • 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  • Outdated Powertrain Control Module program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

How to Fix the DTC P1607 Chrysler?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1607 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1607 Chrysler Code

No Frequently Asked Questions about P1607 Chrysler Code found.

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  • Puse una computadora nueva de un Chrysler sebring 2007 ya venía programada haora me esta poniendo el símbolo de la batería lo cheque en el auto son y me pone el código p1607 no se que podrá ser será el alternador q esta defectuoso gracias

    Reply to Comment

  • Lo mas comun con ese problema es que la bateria de su Sebring esa descargada y si la bateria esta bien entoces si puede ser el alternador.

    Reply to Comment
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