OBD Guide

P1370

Ignition Control Module 4X Reference Circuit Too Many Pulses

P1370 is an OBD-II diagnostic trouble code meaning: Ignition Control Module 4X Reference Circuit Too Many Pulses. Common causes: malfunction of the crankshaft position sensor, circuit 4x wiring harness damage. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Unstable engine operation
  • Power dips
  • Difficulty starting the engine
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Malfunction of the crankshaft position sensor
  • Circuit 4X Wiring Harness Damage
  • Problems with the ignition control module
  • Damage to the gear on the crankshaft
  • Problems with contacts in electrical connections

How to Fix

  1. Check the condition of the crankshaft position sensor
  2. Inspect the 4X circuit wiring harness for damage.
  3. Check electrical connections and contacts
  4. Test the ignition control module
  5. Replace damaged components if necessary

Related codes

Error P1370 by Vehicle Brand

FAQ

What does the P1370 code mean?

P1370 is an OBD-II diagnostic trouble code that indicates: Ignition Control Module 4X Reference Circuit Too Many Pulses

What causes a P1370 error code?

The most common causes of P1370 include: Malfunction of the crankshaft position sensor; Circuit 4X Wiring Harness Damage; Problems with the ignition control module; Damage to the gear on the crankshaft.

How do I fix a P1370 diagnostic trouble code?

To fix P1370: Check the condition of the crankshaft position sensor. Inspect the 4X circuit wiring harness for damage.. Check electrical connections and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1370?

Limited driving only, diagnose soon

How much does it cost to fix P1370?

The estimated repair cost for P1370 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

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