Liberty, Wrangler 2006-2007

4.0L L6 VIN S Std 5

Print

Trouble Code: P1652



SERIAL COMMUNICATION LINK MALFUNCTION

Possible Causes:



NO COMMUNICATION WITH MIC
 
NO COMMUNICATION WITH PCM
 
INTERMITTENT WIRING AND CONNECTORS
 
TRANSMISSION CONTROL MODULE
 

Trouble Code: P1684



BATTERY WAS DISCONNECTED

Possible Causes:



QUICK LEARN WAS PERFORMED
 
RECENT BATTERY DISCONNECTION
 
TCM WAS REPLACED OR DISCONNECTED
 
INTERMITTENT WIRING AND CONNECTORS
 
FUSED B+ CIRCUIT TO TCM OPEN
 
GROUND CIRCUIT OPEN
 

Trouble Code: P1694



BUS COMMUNICATION WITH ENGINE MODULE

Possible Causes:



NO COMMUNICATION WITH PCM
 
OTHER BUS PROBLEMS PRESENT
 
INTERMITTENT WIRING AND CONNECTORS
 
TRANSMISSION CONTROL MODULE
 

Trouble Code: P1696



PCM FAILURE EEPROM WRITE DENIED

Possible Causes:



DRB DISPLAYS WRITE FAILURE
 
DRB DISPLAYS WRITE REFUSED 2ND TIME
 
DRB DISPLAYS SRI MILEAGE INVALID
 
COMPARE SRI MILEAGE WITH ODOMETER
 

Trouble Code: P1697



PCM FAILURE SRI MILES NOT STORED

Possible Causes:



DRB DISPLAYS WRITE FAILURE
 
DRB DISPLAYS WRITE REFUSED 2ND TIME
 
DRB DISPLAYS SRI MILEAGE INVALID
 
COMPARE SRI MILEAGE WITH ODOMETER
 

Trouble Code: P1713



RESTRICTED MANUAL VALVE IN T2 RANGE

Possible Causes:



RELATED TRANSMISSION DTC-S PRESENT
 
CUSTOMER DRIVING HABITS
 
MISADJUSTED SHIFTER CABLE
 

Trouble Code: P1775



SOLENOID SWITCH VALVE LATCHED IN TCC POSITION

Possible Causes:



RELATED DTC P0841 PRESENT
 
L/R PRESSURE SWITCH
 
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
 
L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
 
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
 
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
TRANSMISSION CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P1776



SOLENOID SWITCH VALVE LATCHED IN LR POSITION

Possible Causes:



RELATED DTC P0841 PRESENT
 
CHECK THE DTC EVENT DATA FOR TRS CODE TR2
 
L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
 
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
 
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
 
VALVE BODY
 
INTERNAL TRANSMISSION - SSV STICKING
 
POWERTRAIN CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P1790



FAULT IMMEDIATELY AFTER SHIFT

Possible Causes:



CONDITION P1790 PRESENT
 

Trouble Code: P1793



TRD LINK COMMUNICATION ERROR

Possible Causes:



RELATED DTC-S PRESENT
 
TORQUE MANAGEMENT REQUEST SENSE CIRCUIT OPEN
 
TORQUE MANAGEMENT REQUEST SENSE SHORT TO GROUND
 
TORQUE MANAGEMENT REQUEST SENSE CIRCUIT SHORT TO VOLTAGE
 
POWERTRAIN CONTROL MODULE
 
TRANSMISSION CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P1794



SPEED SENSOR GROUND ERROR

Possible Causes:



SPEED SENSOR GROUND CIRCUIT OPEN
 
TRANSMISSION CONTROL MODULE
 
INTERMITTENT WIRING AND CONNECTORS
 

Trouble Code: P1797



MANUAL SHIFT OVERHEAT

Possible Causes:



MANUAL SHIFT OVERHEAT
 

Trouble Code: P2074



MAP SENSOR/TP SENSOR CORRELATION - VACUUM LEAK DETECTED

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
VACUUM LEAK
 
RESISTANCE IN (F856) 5-VOLT SUPPLY CIRCUIT
 
(F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
 
MAP SENSOR
 
RESISTANCE IN THE (K1) MAP SIGNAL CIRCUIT
 
(K1) MAP SIGNAL CIRCUIT SHORTED TO GROUND
 
RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT
 
TP SENSOR OPERATION
 
RESISTANCE IN THE (F855) 5-VOLT SUPPLY CIRCUIT
 
(F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
 
TP SENSOR
 
RESISTANCE IN THE (K22) TP SENSOR NO.1 SIGNAL CIRCUIT
 
(K22) TP SENSOR NO.1 SIGNAL CIRCUIT SHORTED TO GROUND
 
RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT
 
PCM
 

Trouble Code: P2096



DOWN STREAM FUEL TRIM LEAN BANK 1

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
EXHAUST LEAK
 
ENGINE MECHANICAL PROBLEM
 
O2 SENSOR
 
O2 SIGNAL CIRCUIT
 
O2 RETURN CIRCUIT
 
FUEL CONTAMINATION
 

Trouble Code: P2097



DOWN STREAM FUEL TRIM RICH BANK 1

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
EXHAUST LEAK
 
ENGINE MECHANICAL PROBLEM
 
O2 SENSOR
 
O2 SIGNAL CIRCUIT
 
O2 RETURN CIRCUIT
 
FUEL CONTAMINATION
 

Trouble Code: P2098



DOWN STREAM FUEL TRIM LEAN BANK 2

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
EXHAUST LEAK
 
ENGINE MECHANICAL PROBLEM
 
O2 SENSOR
 
O2 SIGNAL CIRCUIT
 
O2 RETURN CIRCUIT
 
FUEL CONTAMINATION
 

Trouble Code: P2099



DOWN STREAM FUEL TRIM RICH BANK 2

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
EXHAUST LEAK
 
ENGINE MECHANICAL PROBLEM
 
O2 SENSOR
 
O2 SIGNAL CIRCUIT
 
O2 RETURN CIRCUIT
 
FUEL CONTAMINATION
 

Trouble Code: P2302



IGNITION COIL NO.1 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
(K334) ASD RELAY OUTPUT CIRCUIT
 
COIL RAIL RESISTANCE
 
IGNITION COIL
 
IGNITION COIL DRIVER CIRCUIT OPEN
 
IGNITION COIL DRIVER CIRCUIT SHORTED TO GROUND
 
PCM
 

Trouble Code: P2305



IGNITION COIL NO.2 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
(K334) ASD RELAY OUTPUT CIRCUIT
 
COIL RAIL RESISTANCE
 
IGNITION COIL
 
IGNITION COIL DRIVER CIRCUIT OPEN
 
IGNITION COIL DRIVER CIRCUIT SHORTED TO GROUND
 
PCM
 

Trouble Code: P2308



IGNITION COIL NO.3 SECONDARY CIRCUIT- INSUFFICIENT IONIZATION

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
(K334) ASD RELAY OUTPUT CIRCUIT
 
COIL RAIL RESISTANCE
 
IGNITION COIL
 
IGNITION COIL DRIVER CIRCUIT OPEN
 
IGNITION COIL DRIVER CIRCUIT SHORTED TO GROUND
 
PCM
 

Trouble Code: P2503



CHARGING SYSTEM OUTPUT LOW

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
BATTERY POSITIVE CIRCUIT HIGH RESISTANCE
 
CASE GROUND HIGH RESISTANCE
 
GENERATOR OPERATION
 
(Z20) GEN GROUND CIRCUIT OPEN
 
(K125) GEN FIELD CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
 
(K125) GEN FIELD CONTROL CIRCUIT OPEN
 
(K125) GEN FIELD CONTROL CIRCUIT SHORTED TO GROUND
 
PCM
 

Trouble Code: P2610



PCM INTERNAL ENGINE OFF TIMER RATIONALITY

Possible Causes:



PCM FUSED IGNITION SWITCH OUTPUT CIRCUIT
 
PCM
 

Trouble Code: U0101



NO BUS MESSAGE FROM TRANS CONTROL MODULE

Possible Causes:



DTC RESET
 
PCM FUSED IGNITION SWITCH OUTPUT CIRCUIT
 
PCI BUS UNABLE TO COMMUNICATE WITH DRBIII-
 
PCM
 

Trouble Code: U0155



NO CLUSTER BUS MESSAGE

Possible Causes:



DTC RESET
 
COMMUNICATE WITH CLUSTER
 
INSTRUMENT CLUSTER OPERATION
 
PCM
 

Trouble Code: U0168



NO SKIM BUS MESSAGE

Possible Causes:



GOOD TRIP EQUAL TO ZERO
 
NO RESPONSE FROM SKIM
 
PCI BUS CIRCUIT OPEN FROM PCM TO SKIM
 
SKIM/PCM
 

 
label.common.footer.alt.autozoneLogo