OBD Guide
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P1737

Shift Motor Short To Ground

P1737 is an OBD-II diagnostic trouble code meaning: Shift Motor Short To Ground. Common causes: damage to shift motor wiring harness, short circuit in shift motor. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect gear shifting
  • Delays when shifting gears
  • Switching to emergency mode of the gearbox
  • Check Engine Light Illuminates
  • Loss of engine power

Causes

  • Damage to shift motor wiring harness
  • Short circuit in shift motor
  • Transmission control module (TCM) malfunction
  • Corrosion of electrical contacts
  • Mechanical damage to the shift motor

How to Fix

  1. Check the condition of the shift motor wiring harness
  2. Test shift motor resistance
  3. Check the integrity of the control circuit
  4. Replace shift motor if necessary
  5. Clean or replace corroded contacts

Related codes

P1735P1736P1738

Error P1737 by Vehicle Brand

Mazda

FAQ

What does the P1737 code mean?

P1737 is an OBD-II diagnostic trouble code that indicates: Shift Motor Short To Ground

What causes a P1737 error code?

The most common causes of P1737 include: Damage to shift motor wiring harness; Short circuit in shift motor; Transmission control module (TCM) malfunction; Corrosion of electrical contacts.

How do I fix a P1737 diagnostic trouble code?

To fix P1737: Check the condition of the shift motor wiring harness. Test shift motor resistance. Check the integrity of the control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1737?

Limited driving only, diagnose soon

How much does it cost to fix P1737?

The estimated repair cost for P1737 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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