AutoCodes – Dodge – P1390 Dodge

P1390 Dodge Code - Timing Belt Skipped One Or More Teeth

Quick Answer

With the engine running, the Powertrain Control Module (PCM) enables the Inhibit condition test every 44 ms and monitors for misalignment between the Camshaft Position (CMP) and Crankshaft Position (CKP) sensors. Common causes include Timing belt has jumped one or more teeth, Loose Camshaft or Crankshaft Position Sensor. 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: P1390 Dodge indicates Timing Belt Skipped One Or More Teeth.
Common causes: Common causes include Timing belt has jumped one or more teeth, Loose Camshaft or Crankshaft Position Sensor.
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 14,786

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 17, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1390 Dodge Description

With the engine running, the Powertrain Control Module (PCM) enables the Inhibit condition test every 44 ms and monitors for misalignment between the Camshaft Position (CMP) and Crankshaft Position (CKP) sensors. If the CMP signal is offset from the CKP sensor one tooth or more, this trouble code is set. With a cold engine or if the start-to-run transfer is too long Whenever engine speed is outside of its given windows Whenever there is a large change in MAP sensor input

OBDII Code P1390 Dodge - Timing Belt Skipped One Or More Teeth - AutoCodes.com — P1390 Dodge Code - Timing Belt Skipped One Or More Teeth

What does this mean?

What are the Possible Causes of the DTC P1390 Dodge?

Timing belt has jumped one or more teeth
Loose Camshaft or Crankshaft Position Sensor

How to Fix the DTC P1390 Dodge?

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 P1390 Dodge 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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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.