P1784

Test 567-570:

Test 571:

SYMPTOM:
P1784-L-R PRESSURE SWITCH CIRCUIT

When Monitored and Set Condition:
P1784-L-R PRESSURE SWITCH CIRCUIT
When Monitored: Whenever the engine is running.
Set Condition:

POSSIBLE CAUSES
- CHECKING SYMPTOMS AND POSSIBLE CAUSES
- LOW BATTERY VOLTAGE CAUSING SYMPTOM INTERMITTENT CODE P1784

Test 180-184:

Test 185-188:

Test 189-192:

Test 193-197:

SYMPTOM:
ADDITIONAL L-R PRESSURE SWITCH CIRCUIT (P1784)

POSSIBLE CAUSES
- RUN ROAD TEST
- VALVE BODY BOLT TORQUES OUT OF SPECIFICATION
- TRANSAXLE SEALS DEFECTIVE
- L-R PRESS SWITCH DOES NOT TOGGLE WHEN JUMPERED TO 12 VOLTS
- TCM L-R PRESSURE SW SENSE INTERNAL SHORT TO GND
- L-R PRESSURE SENSE SHORT TO SIGNAL IN SOLENOID PACK
- L-R PRESSURE SWITCH DEFECTIVE
- L-R SOLENOID DEFECTIVE
- L-R SOLENOID PACK INTERNAL FAILURE
- SOLENOID PACK CAUSING L-R PRESSURE SWITCH CIRCUIT CODE P1784
- L-R PRESSURE SENSE SHORT TO SIGNAL AT SOLENOID PAC
- OPEN BETWEEN TCM CONNECTOR AND INLINE CONNECTOR
- SHORT TO GND BTWN SOLENOID PACK AND INLINE CONN
- L-R PRES SW SENSE CKT OPEN BTWN SOLENOID PACK AND INLINE
- L-R PRES SW SENSE CKT SHORT TO GND BTWN TCM AND INLINE
- L-R PRESSURE SW SENSE CIRCUIT SHORT AT INLINE CONNECTOR