OBD Code P0736

Reverse Incorrect Ratio

What’s mean?

OBD2 Code P0736 Definition:
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

Symptoms

Possible sumptoms of P0736
– Engine Light ON (or Service Engine Soon Warning Light) – Incorrect transmission shifting

Possible Causes

Possible causes of P0736
– Low transmission fluid level – Dirty transmission fluid – Shift solenoids – Transmission mechanical problems – Transmission hydraulic control circuit The Error code is generally activated on detection of the following conditions: The ECM has detected that the transmission input RPM does not match the transmission output RPM under known conditions

Possible Solutions