Powertrain
generic / SAE
P0737
TCM Engine Speed Output Circuit
A circuit fault on the engine speed value the TCM sends to other modules (rev counter, hybrid module).
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 37
Possible causes
- Open in output line high
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–400 €
- Estimated time: 0.6–2 h
- Component: tcm engine speed output
- MIL / check engine light
Sources
References
sae:J2012