Dodge 2001 Ram 1500 Owner's Manual page 2797

25 - 10 EMISSIONS CONTROL
EMISSIONS CONTROL (Continued)
(M) Malfunction Indicator Lamp (MIL) illuminated during engine operation if this DTC was recorded
(depending if required by CARB and/or EPA). MIL is displayed as an engine icon on instrument panel.
Generic Scan
Tool P-Code
P1195 (M) 1/1 O2 Sensor Slow During Catalyst
P1196 (M) 2/1 O2 Sensor Slow During Catalyst
P1197 1/2 O2 Sensor Slow During Catalyst
P1198 Radiator Temperature Sensor Volts
P1199 Radiator Temperature Sensor Volts
P1281
P1282 Fuel Pump Relay Control Circuit
P1283
P1284 (M) Fuel Injection Pump Battery Voltage
P1285 (M) Fuel Injection Pump Controller
P1286 Accelerator Position Sensor (APPS)
P1287 Fuel Injection Pump Controller
P1288 Intake Manifold Short Runner
P1289 Manifold Tune Valve Solenoid Circuit
P1290 CNG Fuel System Pressure Too
P1291 No Temp Rise Seen From Intake
P1291 (M) No Temperature Rise Seen From
P1292 CNG Pressure Sensor Voltage Too
P1293 CNG Pressure Sensor Voltage Too
P1294 (M)
(G) Generator lamp illuminated
DRB Scan Tool Display
Monitor
Monitor
Monitor
Too High
Too Low
Engine is Cold Too Long
Idle Select Signal Invalid
Out-Of-Range
Always On
Supply Voltage Too High
Supply Voltage Low
Solenoid Circuit
High
Heaters
Intake Air Heaters
High
Low
Target Idle Not Reached
Brief Description of DTC
A slow switching oxygen sensor has been detected in
bank 1/1 during catalyst monitor test. (Also see SCI DTC
$66) (was P0133)
A slow switching oxygen sensor has been detected in
bank 2/1 during catalyst monitor test. (Also see SCI DTC
$7A) (was P0153)
A slow switching oxygen sensor has been detected in
bank 1/2 during catalyst monitor test. (Also see SCI DTC
$68) (was P0139)
Radiator coolant temperature sensor input above the
maximum acceptable voltage.
Radiator coolant temperature sensor input below the
minimum acceptable voltage.
Engine coolant temperature remains below normal
operating temperatures during vehicle travel (Thermostat).
An open or shorted condition detected in the fuel pump
relay control circuit.
ECM or fuel injection pump module internal fault condition
Fuel injection pump module internal fault condition
detected. Engine power will be derated.
Fuel injection pump module relay circuit failure detected.
Engine power will be derated.
High voltage detected at APPS.
ECM or fuel injection pump module internal fault condition
detected. Engine power will be derated.
An open or shorted condition detected in the short runner
tuning valve circuit.
An open or shorted condition detected in the manifold
tuning valve solenoid control circuit.
Compressed natural gas system pressure above normal
operating range.
Energizing Heated Air Intake does not change intake air
temperature sensor an acceptable amount.
Problem detected in intake manifold air heating system.
Compressed natural gas pressure sensor reading above
acceptable voltage.
Compressed natural gas pressure sensor reading below
acceptable voltage.
Target RPM not achieved during drive idle condition.
Possible vacuum leak or IAC (AIS) lost steps.
detected.
BR/BE