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D I A G N O S T I C C O D E S
C - Continuous Operation
O - Self Test - Key On Engine Off(KOEO)
R - Self Test - Key On Engine Running(KOER)
DTC
Condition Description
How SET
P0046 C* O R Turbo Boost Control Solenoid Circuit
Range/Performance
P0069 C*
MAP/BARO Correlation
P0096 C*
Intake Air Temperature Sensor 2 Circuit
Range/Performance
P0097 C* O R Intake Air Temperature Sensor 2 Circuit Low Input
P0098 C* O R Intake Air Temperature Sensor 2 Circuit High Input
P0101 C*
Mass or Volume Air Flow Circuit Range/Performance Indicates an MAF range/performance problem was detected
P0102 C*
R Mass or Volume Air Flow Circuit Low Input
P0103 C* O R Mass or Volume Air Flow Circuit High Input
P0107 C* O
Manifold Absolute Pressure/BARO Sensor Low Input Checks BP for a signal lower than a specified barometric
P0108 C* O
Manifold Absolute Pressure/BARO Sensor High Input Checks BP for a signal greater than a specified barometric
P0112 C* O R Intake Air Temperature Circuit Low Input
P0113 C* O R Intake Air Temperature Circuit High Input
P0117 C* O R Engine Coolant Temperature Circuit Low Input
P0118 C* O R Engine Coolant Temperature High Input
P0148 C
Fueling Error
P0196
R Engine Oil Temperature Sensor Circuit
Range/Performance
P0197 C* O R Engine Oil Temperature Sensor Circuit Low Input
P0198 C* O R Engine Oil Temperature Sensor Circuit High Input
P0219 C
Engine Overspeed Condition
P0230 C O R Fuel Pump Primary Circuit
P0231 C O R Fuel Pump Secondary Circuit Low
P0232 C O R Fuel Pump Secondary Circuit High
P0236 C* O
Turbo/Super Charger Boost Sensor A Circuit
Range/Performance
P0237 C* O R Turbo/Super Charger Boost Sensor A Circuit Low
P0238 C* O R Turbo/Super Charger Boost Sensor A Circuit High
P0261 C* O R Cylinder #1 Injector Circuit Low
P0262 C O R Cylinder #1 Injector Circuit High
P0264 C* O R Cylinder #2 Injector Circuit Low
P0265 C O R Cylinder #2 Injector Circuit High
P0267 C* O R Cylinder #3 Injector Circuit Low
P0268 C O R Cylinder #3 Injector Circuit High
P0270 C* O R Cylinder #4 Injector Circuit Low
P0271 C O R Cylinder #4 Injector Circuit High
P0273 C* O R Cylinder #5 Injector Circuit Low
P0274 C O R Cylinder #5 Injector Circuit High
P0276 C* O R Cylinder #6 Injector Circuit Low
P0277 C O R Cylinder #6 Injector Circuit High
P0279 C* O R Cylinder #7 Injector Circuit Low
P0280 C O R Cylinder #7 Injector Circuit High
94
Fault Trigger/Comments
Internal to PCM. VGT Actuator Circuit check.
30 kPa (4.4 PSI)/Compares BP and MAP at idle.
5 deg. C (41 deg F)/Checks for Minimum Change in IAT2
EGR disabled, less than 0.15v
EGR disabled, greater than 4.8v
during normal driving conditions when MAF is enabled. 4.0
Volts when RPM is less than 1500, 4.9 volts when RPM is
greater than 1500 rpm.
Indicates MAF sensor circuit low input was detected during
KOEO Self Test or during continuous diagnostic monitoring.
MAF voltage less than 0.35 volts.
Indicates MAF sensor circuit high input detected during
KOEO On-Demand Self Test or during continuous diagnostic
monitoring. MAF voltage is greaterh than 4.95 volts.
pressure expected for normal operations when BP is less
than 0.04 volts. Default 101 kpa (14.6 PSI).
pressure expected for normal operations when BP is greater
than 4.9 volts. Default 101 kpa (14.6 PSI).
Checks sensor output for a value higher than a maximum
probable temperature when IAT voltage is less than 0.15
o
o
volts. Default 77
F/25
C.
Checks sensor output for a value lower than a minimum
probable temperature when IAT voltage is greater than 4.9
o
o
volts. Default 77
F/25
C.
Checks ECT for a temperature higher than a specified oil
temperature expected for normal operation when ECT
voltage is greater than 0.15 volts. Default 180oF/82oC - no
Checks ECT for a temperature lower than a specified oil
temperature expected for normal operation when ECT
voltage is greater than 4.78 volts. Default 180oF/82oC - no
fast idle.
Engine RPM has exceeded requested RPM.
Checks for an EOT temperature signal which is unable to
reach the EOT cold minimum limit within a specified amount
of time. Function of initial EOT. (in-range fault based off of a
change in EOT and MFDES)
Checks EOT for a temperature higher than a specified oil
temperature expected for normal operations WHEN eot
VOLTAGE IS LESS THAN 0.15 VOLTS. Default
o
o
212
F/100
C - no fast idle.
Checks EOT for a temperature lower than a specified oil
temperature expected for normal operations when EOT
voltage is greater than 4.76 volts. Default 212
fast idle.
PCMrecorded excessive engine speed greater than 4300
rpm for more than 5 seconds.
Fuel Pump Relay driver failure.
No voltage present at the Fuel Pump monitor circuit when it
has been commanded "on" for more than 1 second.
Voltage present at the Fuel Pump monitor circuit when it has
NOT been commanded "on" for more than 1 second.
Default inferred MAP - low power, slow acceleration, greater
than 120kpa(2.7 PSI) at low idle.
Default inferred MAP - low power, slow acceleration, MAP
voltage is less than 0.039 volts.
Default inferred MAP - low power, slow acceleration, MAP
voltage is greater than 4.91 volts.
FICM detected a short in an injector circuit to ground.
FICM detected an open injector circuit.
FICM detected a short in an injector circuit to ground.
FICM detected an open injector circuit.
FICM detected a short in an injector circuit to ground.
FICM detected an open injector circuit.
FICM detected a short in an injector circuit to ground.
FICM detected an open injector circuit.
FICM detected a short in an injector circuit to ground.
FICM detected an open injector circuit.
FICM detected a short in an injector circuit to ground.
FICM detected an open injector circuit.
FICM detected a short in an injector circuit to ground.
FICM detected an open injector circuit.
* - MIL (Malfunction Indicator Light) Illuminates
^ - Tow/Haul Light flashes
[] - Assigned but not used
Diagnostic circuit associated with 1 Amp driver checks for open circuit,
short to ground, and short to power.
VGT, BP, MAP, EGR - System Fault, Biased Sensor, Circuit Integrity.
IAT 2 Biased Sensor, System Fault, PCM.
MAT signal circuit, shorted to ground or defective sensor.
MAT signal circuit, open, short to power or defective sensor.
Damaged MAF sensor-plugged or restricted sensor supply tube-MAF,
PCM.
Open MAF sensor circuit-biased sensor, PCM-short to SIGN RTN or
PWR GND on MAF sensor circuit-open in VREF circuit.
Biased sensor, PCM-MAF circuit shorted to VREF.
Circuit is open, shorted to ground.
Circuit is shorted to power.
Short to ground.
Open circuit, short to power.
Short to ground on the circurt.
Open in circuit, short to power.
Alternative fuel source, Interferance on CKP & CMP, Faulty PCM.
Faulty, Biased sensor, circuit fault, PCM.
Shorted to ground on the circuit.
Open in circuit, short to power.
o
o
F/100
C - no
Improper downshift, Interferance on CKP & CMP, Faulty PCM
Open control circuit, failed fuel pump relay or PCM.
Indicates open, short circuit, relay, inertia switch or fuel pump.
Indicates short to power,sticking relay.
MAP sensor plugged, defective sensor.
MAP circuit short to ground or open, defective sensor.
MAP circuit short to Vref or Vbat, defective sensor.
Injector circuit short to ground, defective coil.
Injector circuit open, defective coil.
Injector circuit short to ground, defective coil.
Injector circuit open, defective coil.
Injector circuit short to ground, defective coil.
Injector circuit open, defective coil.
Injector circuit short to ground, defective coil.
Injector circuit open, defective coil.
Injector circuit short to ground, defective coil.
Injector circuit open, defective coil.
Injector circuit short to ground, defective coil.
Injector circuit open, defective coil.
Injector circuit short to ground, defective coil.
Injector circuit open, defective coil.
Probable Causes
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