1-ii Table of Contents
DTC P0123: Throttle / Pedal Position Sensor
/ Switch “A” (Main) Circuit High ....................... 1A-85
DTC P0131 / P0132: O2 Sensor (HO2S)
Circuit Low Voltage / High Voltage (Sensor-
1).....................................................................1A-88
DTC P0133: O2 Sensor (HO2S) Circuit Slow
Response (Sensor-1) ......................................1A-91
DTC P0134: O2 Sensor (HO2S) Circuit No
Activity Detected (Sensor-1) ...........................1A-92
DTC P0137 / P0138: O2 Sensor (HO2S)
Circuit Low Voltage / High Voltage (Sensor-
2).....................................................................1A-94
DTC P0140: O2 Sensor (HO2S) Circuit No
Activity Detected (Sensor-2) ...........................1A-97
DTC P0171 / P0172: Fuel System Too Lean /
Rich.................................................................1A-98
DTC P0222: Throttle / Pedal Position Sensor
/ Switch “B” (Sub) Circuit Low .......................1A-100
DTC P0223: Throttle / Pedal Position Sensor
/ Switch “B” (Sub) Circuit High ......................1A-102
DTC P0300 / P0301 / P0302 / P0303 / P0304:
Random / Multiple Cylinder Misfire Detected
/ Cylinder 1 / Cylinder 2 / Cylinder 3 /
Cylinder 4 Misfire Detected ........................... 1A-105
DTC P0327 / P0328: Knock Sensor 1 Circuit
Low / High .....................................................1A-107
DTC P0335: Crankshaft Position (CKP)
Sensor “A” Circuit.......................................... 1A-109
DTC P0340: Camshaft Position (CMP)
Sensor “A” Circuit.......................................... 1A-111
DTC P0350: Ignition Coil Primary / Secondary
Circuit............................................................ 1A-114
DTC P0401 / P0402: Exhaust Gas
Recirculation Flow Insufficient Detected /
Excessive Detected ...................................... 1A-116
DTC P0403: Exhaust Gas Recirculation
Control Circuit ...............................................1A-118
DTC P0420: Catalyst System Efficiency
below Threshold............................................1A-120
DTC P0443: Evaporative Emission System
Purge Control Valve Circuit...........................1A-122
DTC P0480: Fan 1 (Radiator Cooling Fan)
Control Circuit ...............................................1A-124
DTC P0500: Vehicle Speed Sensor “A”
Malfunction....................................................1A-128
DTC P0532: A/C Refrigerant Pressure
Sensor “A” Circuit Low ..................................1A-130
DTC P0533: A/C Refrigerant Pressure
Sensor “A” Circuit High ................................. 1A-132
DTC P0601 / P0602 / P0607: Internal Control
Module Memory Check Sum Error / Control
Module Programming Error / Control Module
Performance ................................................. 1A-134
DTC P0616: Starter Relay Circuit Low............ 1A-135
DTC P0617: Starter Relay Circuit High...........1A-136
DTC P0620: Generator Control Circuit ...........1A-137
DTC P0625 / P0626: Generator Field
Terminal Circuit Low / High...........................1A-139
DTC P1501 / P1502: Electric Load Current
Sensor Circuit Low / High .............................1A-141
DTC P1510: ECM Back-Up Power Supply
Malfunction....................................................1A-143
DTC P1603: TCM Trouble Code Detected .....1A-144
DTC P1674: CAN Communication (Bus Off
Error) .............................................................1A-145
DTC P1676: CAN Communication (Reception
Error for TCM) ...............................................1A-148
DTC P1678: CAN Communication (Reception
Error for BCM)...............................................1A-149
DTC P1685: CAN Communication (Reception
Error for ABS/ESP® Control Module) ...........1A-150
DTC P2101: Throttle Actuator Control Motor
Circuit Range / Performance.........................1A-152
DTC P2102: Throttle Actuator Control Motor
Circuit Low ....................................................1A-154
DTC P2103: Throttle Actuator Control Motor
Circuit High....................................................1A-155
DTC P2111 / P2112: Throttle Actuator Control
System - Stuck Open / Closed ......................1A-156
DTC P2119: Throttle Actuator Control Throttle
Body Range / Performance...........................1A-157
DTC P2122: Throttle / Pedal Position Sensor
/ Switch “D” (Main) Circuit Low Input.............1A-159
DTC P2123: Throttle / Pedal Position Sensor
/ Switch “D” (Main) Circuit High Input............1A-161
DTC P2127: Throttle Pedal Position Sensor /
Switch “E” (Sub) Circuit Low Input ................1A-164
DTC P2128: Throttle / Pedal Position Sensor
/ Switc
h “E” (Sub) Circuit High Input .............1A-166
DTC P2135: Throttle / Pedal Position Sensor
/ Switch “A”/“B” (Main / Sub) Voltage
Correlation.....................................................1A-168
DTC P2138: Throttle / Pedal Position Sensor
/ Switch “D”/“E” (Main / Sub) Voltage
Correlation.....................................................1A-171
DTC P2227 / P2228 / P2229: Barometric
Pressure Circuit Malfunction .........................1A-173
Inspection of ECM and Its Circuits ..................1A-175
ECM Power and Ground Circuit Check...........1A-194
Fuel Injector Circuit Check ..............................1A-198
Fuel Pump and Its Circuit Check.....................1A-200
Fuel Pressure Check.......................................1A-203
A/C System Circuits Check .............................1A-205
Electric Load Signal Circuit Check ..................1A-209
Radiator Cooling Fan Low Speed Control
System Check ...............................................1A-211
Radiator Cooling Fan High Speed Control
System Check ...............................................1A-213
Repair Instructions ..........................................1A-216
Idle Speed and IAC Throttle Valve Opening
Inspection......................................................1A-216
Special Tools and Equipment .........................1A-217
Special Tool ....................................................1A-217
Aux. Emission Control Devices ............. 1B-1
Diagnostic Information and Procedures............1B-1
EGR System Inspection ......................................1B-1
Repair Instructions ..............................................1B-1
EVAP Canister Purge Inspection ........................1B-1