Dodge 2001 Ram 1500 Owner's Manual page 2800

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
P1595 Speed Control Solenoid Circuits
P1595 Speed Control Solenoid Circuits
P1596 Speed Control Switch Always High
P1597 Speed Control Switch Always Low
P1597 Speed Control Switch Always Low
P1598 A/C Pressure Sensor Volts Too High
P1598
P1599 A/C Pressure Sensor Volts Too Low
P1599
P1680 Clutch Released Switch Circuit
P1681 No I/P Cluster CCD/J1850
P1682 (G) Charging System Voltage Too Low
P1682 Charging System Voltage Too Low
P1683 SPD CTRL PWR Relay; or S/C 12v
P1683 Spd ctrl pwr rly, or s/c 12v driver
P1684
P1685
P1686 No SKIM BUS Messages Received
P1687
P1688 (M) Internal Fuel Injection Pump
P1689 (M) No Communication Between ECM
and Injection Pump Module
P1690 (M) Fuel Injection Pump CKP Sensor
Does Not Agree With ECM CKP
(G) Generator lamp illuminated
DRB Scan Tool Display
A/C Sensor Input Hi
A/C Sensor Input Lo
Messages Received
Driver CKT
circuit
Batt Loss in 50 Star
SKIM Invalid Key
No MIC BUS Message
Controller Failure
Sensor
EMISSIONS CONTROL
Brief Description of DTC
An open or shorted condition detected in either of the
speed control vacuum or vent solenoid control circuits.
An open or shorted condition detected in the speed
control vacuum or vent solenoid circuits.
Speed control switch input above maximum acceptable
Speed control switch input below minimum acceptable
Speed control switch input below the minimum acceptable
A/C pressure sensor input above maximum acceptable
Problem detected in air conditioning electrical circuit.
A/C pressure sensor input below minimum acceptable
Problem detected in air conditioning electrical circuit.
Problem detected in clutch switch electrical circuit.
No CCD/J1850 messages received from the cluster
control module.
Battery voltage sense input below target charging voltage
during engine operation and no significant change in
voltage detected during active test of generator output
Charging system output voltage low.
An open or shorted condition detected in the speed
control servo power control circuit.
An open or shorted condition detected in the speed
control servo power control circuit.
The battery has been disconnected within the last 50
The engine controler has received an invalid key from the
No CCD/J1850 messages received from the Smart Key
Immobilizer Module (SKIM).
No CCD/J1850 messages received from the Mechanical
Instrument Cluster (MIC) module.
Internal problem within the fuel injection pump. Low
power, engine derated, or engine stops.
Data link circuit failure between ECM and fuel injection
pump. Low power, engine derated, or engine stops.
Problem in fuel sync signal. Possible injection pump
timing problem. Low power, engine derated, or engine
voltage.
voltage.
voltage.
voltage.
voltage.
circuit.
starts
SKIM.
stops.
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