OBDII Code List

P0736 HYUNDAI - Reverse gear incorrect ratio

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Shift solenoids
  • Transmission mechanical problems
  • Transmission hydraulic control circuit

Tech notes

Start by inspecting the transmission fluid level and condition, and change fluid if necessary.

When is the code detected?

P0736 is detected when A/T cannot be shifted to the reverse gear position even if electrical circuit is good.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Incorrect transmission shifting

P0736 Hyundai Description

This diagnosis monitors actual gear position by checking the torque converter slip ratio calculated by Transmission Control Module (TCM) as follows:

Torque converter slip ratio = A x C/B

A: Output shaft revolution signal from revolution sensor

B: Engine speed signal from Engine Control Module (ECM)

C: Gear ratio determined as gear position which TCM supposes

OBDII Code P0736 Hyundai - Reverse gear incorrect ratio -

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Related Information

P0736 HYUNDAI Comments

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