P1756
Test 1 - 4:
Test 5 - 6:
Test 7 - 9:
Test 10 - 13:
Test 14 - 17:
Test 18:
SYMPTOM
P1756-GOV PRESS NOT EQUAL TO TARGET @ 15-20 PSI
WHEN MONITORED
Continuously with the key on and the engine running.
SET CONDITION
This DTC will set if the Governor Pressure Sensor output is less than 103 kPa or 15 PSI or greater than 207 kPa or 30 PSI when the requested pressure is 138 - 172 kPa or 20 - 25 PSI for 2.2 seconds. Two trips of five consecutive bad 2.2 second tests with a Transmission temperature between 10 - 127 °C or 50 - 260 °F.
POSSIBLE CAUSES
- 5 Volt supply circuit open
- GOV pressure sensor signal circuit open
- GOV press sensor signal CKT short to GND
- GOV press sensor signal CKT short to sensor GND
- GOV press sensor signal CKT short to voltage
- Oil burnt or oil pan has excessive debris
- Valve body
- Internal transmission
- Governor pressure sensor
- Governor pressure solenoid
- PCM - 5 Volt supply
- Powertrain control module
- Intermittent wiring and connectors