Dodge 2001 Ram 1500 Owner's Manual page 2794

BR/BE
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
P0387 Crankshaft Position Sensor Supply
P0388 Crankshaft Position Sensor Supply
P0401
P0403
P0404 EGR Position Sensor Rationality
P0405 EGR Position Sensor Volts Too Low
P0406 EGR Position Sensor Volts Too High
P0412 Secondary Air Solenoid Circuit
P0420 (M) 1/1 Catalytic Converter Efficiency
P0432 (M) 1/2 Catalytic Converter Efficiency
P0441 (M)
P0442 (M) Evap Leak Monitor Medium Leak
P0443 (M) Evap Purge Solenoid Circuit
P0455 (M) Evap Leak Monitor Large Leak
P0456 (M) Evap Leak Monitor Small Leak
P0460 Fuel Level Unit No Change Over
P0460 Fuel Level Unit No Change Over
P0462 Fuel Level Sending Unit Volts Too
P0462 (M) Fuel Level Sending Unit Volts Too
P0463 Fuel Level Sending Unit Volts Too
P0463 (M) Fuel Level Sending Unit Volts Too
P0500 (M) No Vehicle Speed Sensor Signal
P0500 (M) No Vehicle Speed Sensor Signal
(G) Generator lamp illuminated
DRB Scan Tool Display
Voltage Too Low
Voltage Too High
EGR System Failure
EGR Solenoid Circuit
Evap Purge Flow Monitor
Detected
Detected
Detected
Miles
Miles
Low
Low
High
High
Brief Description of DTC
CKP sensor voltage input below the minimum acceptable
CKP sensor voltage input above the maximum acceptable
Required change in air/fuel ration not detected during
diagnostic test.
An open or shorted condition detected in the EGR
solenoid control circuit.
EGR position sensor signal does not correlate to EGR
EGR position sensor input below the acceptable voltage
EGR position sensor input above the acceptable voltage
An open or shorted condition detected in the secondary
air (air switching/aspirator) solenoid control circuit.
Catalyst 1/1 efficiency below required level.
Catalyst 2/1 efficiency below required level.
Insufficient or excessive vapor flow detected during
evaporative emission system operation.
A small leak has been detected in the evaporative
An open or shorted condition detected in the EVAP purge
solenoid control circuit.
A large leak has been detected in the evaporative system.
Leak has been detected in the evaporative system.
During low fuel
Fuel level sending unit voltage does not change for more
than 40 miles.
Fuel level sensor input below acceptable voltage.
Open circuit between PCM and fuel gauge sending unit.
Fuel level sensor input above acceptable voltage.
Circuit shorted to voltage between PCM and fuel gauge
sending unit.
No vehicle speed sensor signal detected during road load
A vehicle speed signal was not detected.
EMISSIONS CONTROL
voltage.
voltage.
duty cycle.
range.
range.
system.
conditions.
25 - 7