Pacifica 2006-2008

3.8L V6 VIN L Auto 9

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Trouble Code: P0750



LR SOLENOID CIRCUIT

Possible Causes:



RELATED TCM POWER INPUT DTCS
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
LR SOLENOID CONTROL CIRCUIT OPEN
 
LR SOLENOID CONTROL CIRCUIT SHORT TO GROUND
 
LR SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
 
LR SOLENOID/PRESSURE SWITCH ASSEMBLY
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0750



A/T Low/Reverse Solenoid Circuit Failure

Possible Causes:



Related relay DTCs present
 
Transmission control relay output circuit open
 
L/R solenoid control circuit open or shorted to ground or to voltage
 
L/R solenoid/pressure switch assembly has malfunctioned or failed
 
Intermittent wiring and connectors
 
PCM has failed
 

Trouble Code: P0755



2/4 SOLENOID CIRCUIT

Possible Causes:



RELATED TCM POWER INPUT DTCS PRESENT
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
2/4 SOLENOID CONTROL CIRCUIT OPEN
 
2/4 SOLENOID CONTROL CIRCUIT SHORT TO GROUND
 
2/4 SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
 
2/4 SOLENOID
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0755



A/T 2/4 Solenoid Circuit Failure

Possible Causes:



Related DTCs present
 
Transmission control relay output circuit open
 
2/4 Solenoid control circuit is open or shorted to ground
 
2/4 Solenoid control circuit is shorted to system power
 
2/4 Solenoid is damaged or has failed
 
Intermittent wiring or connector problems
 
PCM has failed
 

Trouble Code: P0760



OD SOLENOID CIRCUIT

Possible Causes:



RELATED TCM POWER INPUT DTCS PRESENT
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
OD SOLENOID CONTROL CIRCUIT OPEN
 
OD SOLENOID CONTROL CIRCUIT SHORT TO GROUND
 
OD SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
 
OD SOLENOID
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0760



A/T Overdrive Solenoid Circuit Failure

Possible Causes:



Related DTCs present
 
Transmission control relay output circuit open
 
O/D Solenoid control circuit is open or shorted to ground
 
O/D Solenoid control circuit is shorted to system power
 
O/D Solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0765



UD SOLENOID CIRCUIT

Possible Causes:



RELATED TCM POWER INPUT DTCS PRESENT
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
UD SOLENOID CONTROL CIRCUIT OPEN
 
UD SOLENOID CONTROL CIRCUIT SHORT TO GROUND
 
UD SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
 
UD SOLENOID
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0765



A/T Underdrive Solenoid Circuit Failure

Possible Causes:



Related DTCs present
 
Transmission control relay output circuit open
 
U/D Solenoid control circuit is open or shorted to ground
 
U/D Solenoid control circuit is shorted to system power
 
U/D Solenoid is damaged or has failed
 
Intermittent wiring or connector problems
 
PCM has failed
 

Trouble Code: P0841



LR PRESSURE SWITCH SENSE CIRCUIT

Possible Causes:



RELATED RELAY DTC-S PRESENT
 
LOSS OF PRIME P0944 PRESENT
 
L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
 
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
L/R PRESSURE SWITCH
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0841



Low/Reverse Pressure Switch Sense Circuit Malfunction

Possible Causes:



Related DTCs present
 
Loss of Prime P0944 DTC present
 
Transmission control relay output circuit open
 
L/R switch sense circuit is open or is shorted to ground or to voltage
 
L/R pressure switch is damaged or has failed
 
Intermittent wiring or connector problems
 
PCM has failed
 

Trouble Code: P0845



2/4 HYDRAULIC PRESSURE TEST FAILURE

Possible Causes:



LOSS OF PRIME P0944 PRESENT
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
2/4 PRESSURE SWITCH SENSE CIRCUIT OPEN
 
2/4 PRESSURE SWITCH CIRCUIT SHORT TO GROUND
 
INTERNAL TRANSMISSION
 
2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0845



A/T 2/4 Hydraulic Pressure Test Malfunction

Possible Causes:



2/4 pressure is incorrect, or internal transmission faults exist
 
2/4 pressure switch circuit is open, shorted to ground or power
 
2/4 pressure switch is damaged or it has failed
 
Transmission solenoids/TRS assembly is damaged or have failed
 
TCM relay power circuit to 2/4 switch is open (loss of B+)
 
Intermittent wiring or connector problems exist
 
PCM or TCM has failed
 

Trouble Code: P0846



2/4 PRESSURE SWITCH SENSE CIRCUIT

Possible Causes:



RELATED TCM POWER INPUT DTCS PRESENT
 
2/4 PRESSURE SWITCH SENSE CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
 
2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
2/4 PRESSURE SWITCH
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0846



A/T 2/4 Pressure Switch Circuit Malfunction

Possible Causes:



2/4 pressure is incorrect, or internal transmission faults exist
 
2/4 pressure switch circuit is open, shorted to ground or power
 
2/4 pressure switch is damaged or it has failed
 
TCM relay power circuit to L/R switch is open (loss of B+)
 
PCM/TCM has failed
 

Trouble Code: P0850



PARK/NEUTRAL SWITCH PERFORMANCE

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
TRANSMISSION DTC(S)
 
PCM
 

Trouble Code: P0850



A/T Park/Neutral Switch Performance

Possible Causes:



Check for any TCM related codes stored in the TCM controller
 
PCM has failed
 

Trouble Code: P0870



OD HYDRAULIC PRESSURE TEST FAILURE

Possible Causes:



LOSS OF PRIME - P0944 PRESENT
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
 
OD PRESSURE SWITCH SENSE CIRCUIT OPEN
 
OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
 
INTERNAL TRANSMISSION
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0870



A/T Hydraulic Pressure Line Malfunction

Possible Causes:



Check for related line pressure trouble codes
 
Check for related speed ratio and pressure switch codes
 
5V supply circuit is open or is shorted to ground
 
Transmission Control Relay output circuit is open
 
OD Pressure Switch sense circuit is shorted to ground or to voltage
 
Excessive debris in the oil pan
 
Line pressure Sensor connector is loose or damaged
 
Oil pressure switch is damaged or has failed
 
Intermittent wiring or connector problems exist
 
PCM or TCM has failed
 

Trouble Code: P0871



OD PRESSURE SWITCH SENSE CIRCUIT

Possible Causes:



RELATED TCM POWER INPUT DTCS PRESENT
 
OD PRESSURE SWITCH SENSE CIRCUIT OPEN
 
OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
 
TRANSMISSION RELAY OUTPUT CIRCUIT OPEN
 
OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
OD PRESSURE SWITCH
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0871



A/T O/D Pressure Switch Circuit Malfunction

Possible Causes:



Related DTCs may be present
 
O/D pressure is incorrect, or internal transmission faults exist
 
O/D pressure switch circuit is open, shorted to ground or power
 
O/D pressure switch is damaged or it has failed
 
TCM relay power circuit to O/D switch is open (loss of B+)
 
Intermittent wiring or connector problems exist
 
PCM or TCM has failed
 

Trouble Code: P0875



A/T U/D Hydraulic Pressure Test Malfunction

Possible Causes:



Check for related line pressure trouble codes
 
Check for related speed ratio and pressure switch codes
 
5V supply circuit is open or shorted to ground
 
U/D Pressure switch sense circuit is open or shorted to ground or to voltage
 
Excessive debris in the oil pan
 
Line pressure Sensor connector is loose or damaged
 
U/D Oil Pressure Switch is damaged or it has failed
 
TCM has failed
 
Intermittent wiring and connector problems
 

Trouble Code: P0876



A/T U/D Pressure Switch Sense Malfunction

Possible Causes:



U/D pressure is incorrect, or internal transmission faults exist
 
U/D pressure switch circuit is open, shorted to ground or power
 
U/D pressure switch is damaged or it has failed
 
TCM relay power circuit to L/R switch is open (loss of B+)
 
TCM has failed
 

Trouble Code: P0882



TCM POWER INPUT LOW

Possible Causes:



FUSED B+ CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY
 
TRANSMISSION CONTROL RELAY CONTROL CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY GROUND CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY CONTROL CIRCUIT SHORT TO GROUND
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORT TO GROUND
 
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0883



TCM POWER INPUT HIGH

Possible Causes:



TRANSMISSION CONTROL RELAY STUCK CLOSED
 
TRANSMISSION CONTROL RELAY CONTROL CIRCUIT SHORT TO VOLTAGE
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORT TO VOLTAGE
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0884



POWER UP AT SPEED

Possible Causes:



P0884 POWER UP AT SPEED
 

Trouble Code: P0884



Power-Up Automatic Transmission Speed Malfunction

Possible Causes:



TCM power supply circuit to direct battery is open
 
TCM power supply circuit to the ignition switch is open
 
TCM power ground circuit is open or the connector is loose
 
TCM has failed
 

Trouble Code: P0888



RELAY OUTPUT ALWAYS OFF

Possible Causes:



FUSED B+ CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY
 
TRANSMISSION CONTROL RELAY CONTROL CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY GROUND CIRCUIT OPEN
 
TRANSMISSION CONTROL RELAY CONTROL CIRCUIT SHORT TO GROUND
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORT TO GROUND
 
TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0888



A/T Relay Output Malfunction

Possible Causes:



Fused B+ circuit is open
 
TC relay output circuit is open or is shorted to ground
 
TC relay control circuit is open or is shorted to ground
 
TC relay ground circuit is open
 
TC relay has failed
 
Intermittent wiring or connector problems exist
 
Transmission solenoid/pressure switch assembly has malfunctioned or failed
 
PCM/TCM has failed
 

Trouble Code: P0890



SWITCHED BATTERY

Possible Causes:



2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0890



A/T TCM Switched Battery Circuit Malfunction

Possible Causes:



2/4 switch circuit is shorted to system power (B+)
 
L/R switch circuit is shorted to system power (B+)
 
O/D switch circuit is shorted to system power (B+)
 
TCM switched battery circuit is damaged
 
Intermittent wiring or connector problems exist
 
PCM/TCM has failed
 

Trouble Code: P0891



TRANSMISSION RLY ALWAYS ON

Possible Causes:



TRANSMISSION CONTROL RELAY STUCK CLOSED
 
TRANSMISSION CONTROL RELAY CONTROL CIRCUIT SHORT TO VOLTAGE
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORT TO VOLTAGE
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0891



A/T TCM Relay Always On

Possible Causes:



TCM relay output circuit is shorted to system power (B+)
 
TCM relay control circuit is shorted to system power (B+)
 
TCM relay is damaged or it has failed (it may be stuck closed)
 
Intermittent wiring or connector problems exist
 
PCM/TCM has failed
 

Trouble Code: P0897



WORN OUT/BURNT TRANSAXLE FLUID

Possible Causes:



WORN OUT/ BURNT TRANSAXLE FLUID
 

Trouble Code: P0897



A/T Transmission Fluid Burnt Or Worn Out

Possible Causes:



Automatic transmission fluid is burnt or contaminated
 
Automatic transmission fluid is worn out
 

Trouble Code: P0944



LOSS OF PRIME

Possible Causes:



SHIFT LEVER POSITION
 
PLUGGED TRANSMISSION OIL FILTER
 
TRANSMISSION OIL PUMP
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0944



A/T Loss Of Prime Pressure

Possible Causes:



A/T pressure switch connector is damaged, loose or shorted
 
Invalid PRNDL code (shift lever position error)
 
Automatic transmission fluid level is too low
 
Transmission oil filter is clogged or severely restricted
 
Transmission oil pump is damaged or weak
 
Intermittent wiring or connector problems exist
 

Trouble Code: P0952



AUTOSTICK INPUT CIRCUIT LOW

Possible Causes:



AUTOSTICK- SWITCH
 
AUTOSTICK- DOWNSHIFT SENSE CIRCUIT SHORT TO GROUND
 
AUTOSTICK- UPSHIFT SENSE CIRCUIT SHORT TO GROUND
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P0952



A/T AutoStick Sensor Circuit Malfunction

Possible Causes:



AutoStick assembly is damaged or has failed
 
Intermittent wiring or connector problems exist
 
Downshift sense or Upshift sense circuit is shorted to ground
 
PCM/TCM has failed
 

Trouble Code: P0953



A/T AutoStick Sensor Circuit High

Possible Causes:



AutoStick assembly is damaged or has failed
 
Intermittent wiring or connector problems exist
 
Downshift sense or Upshift sense circuit is shorted to ground
 
PCM/TCM has failed
 

Trouble Code: P0987



A/T 4C Hydraulic Pressure Test Malfunction

Possible Causes:



Check for related speed ratio and pressure switch codes
 
Excessive debris in the oil pan
 
5V supply circuit is open or is shorted to ground
 
Transmission Control Relay output circuit is open
 
4C Pressure Switch sense circuit is shorted to ground or to voltage
 
Line Pressure Sensor connector is loose or damaged
 
4C Line Pressure Sensor has failed
 
Transmission Solenoid/TRS Assembly has failed
 
Internal transmission problems
 
TCM has failed
 
Intermittent wiring and connector problems
 

 
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