OBD Guide

P17ED

Ratio Monitoring Shift 4-3

P17ED is an OBD-II diagnostic trouble code meaning: Ratio Monitoring Shift 4-3. Common causes: low or contaminated transmission fluid, problems with shift solenoids. Estimated repair cost: $17–111.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–111 (est.)

Symptoms

  • Hard gear shifting
  • Switching delays
  • Power dips
  • Check Engine light comes on
  • Switching to emergency mode of the gearbox

Causes

  • Low or contaminated transmission fluid
  • Problems with shift solenoids
  • Friction wear
  • Malfunction of speed sensors
  • Problems with the transmission control unit

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the operation of switching solenoids
  3. Check the condition of the friction discs
  4. Test speed sensors
  5. Scan the transmission control unit for errors

Related codes

FAQ

What does the P17ED code mean?

P17ED is an OBD-II diagnostic trouble code that indicates: Ratio Monitoring Shift 4-3

What causes a P17ED error code?

The most common causes of P17ED include: Low or contaminated transmission fluid; Problems with shift solenoids; Friction wear; Malfunction of speed sensors.

How do I fix a P17ED diagnostic trouble code?

To fix P17ED: Check the level and condition of the transmission fluid. Diagnose the operation of switching solenoids. Check the condition of the friction discs. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P17ED?

Yes, but get it checked soon

How much does it cost to fix P17ED?

The estimated repair cost for P17ED is $17–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat