RAM 2500 Truck 2WD L6-5.9L DSL Turbo VIN 7 (2001)
secured by a nut to a ground stud located on the back of the instrument panel armature above the inboard side of the instrument panel steering
column opening.
The high-line/premium CTM monitors its own internal circuitry as well as many of its input and output circuits, and will store a Diagnostic
Trouble Code (DTC) in electronic memory for any failure it detects. These DTCs can be retrieved and diagnosed using a DRB III scan tool. Refer
to the appropriate diagnostic information.
Hard Wired Inputs
The hard wired inputs to the CTM include the following:
-
CCD bus- (high-line/premium version only)
-
CCD bus+ (high-line/premium version only)
-
Cylinder lock switch mux (high-line premium version only)
-
Driver door ajar switch sense
-
Fused B(+)
-
Fused ignition switch output (RUN/ACC) (high-line/premium version only)
-
Fused ignition switch output (ST/RUN) (base version only)
-
Ground (one circuit - base version; two circuits - high-line/premium version)
-
Key-in ignition switch sense
-
Passenger door ajar switch sense (high-line/premium version only)
-
Power door lock motor B(+) lock (high-line/premium version only)
-
Power door lock motor B(+) unlock (high-line/ premium version only)
-
Radio control mux (high-line/premium version only)
-
Tone request signal
-
Washer switch sense
-
Wiper park switch sense
-
Wiper switch mode sense
-
Wiper switch mode signal
Hard Wired Outputs
The hard wired outputs of the CTM include the following:
-
CCD bus- (high-line/premium version only)
-
CCD bus+ (high-line/premium version only)
-
Courtesy lamp switch output (high-line/premium version only)
-
Door lock driver (high-line/premium version only)
-
Door unlock driver (high-line/premium version only)
-
Headlamp relay control (high-line/premium version only)
-
Heated seat relay control (premium version only)
-
Horn relay control (high-line/premium version only)
-
VTSS indicator driver (high-line/premium version only)
-
Wiper motor relay control
Messaging
The high-line/premium CTM uses the following messages received from other electronic modules over the CCD data bus:
-
Airbag Deploy (ACM)
-
Charging System Failure (PCM)
-
Engine RPM (PCM)
-
System Voltage (PCM)
-
Vehicle Speed (PCM)
-
Voltage Fault (PCM)
The high-line/premium CTM provides the following messages to other electronic modules over the CCD data bus:
-
Engine Enable (PCM)
-
Radio Seek Up (Radio)
-
Radio Seek Down (Radio)
-
Radio Volume Up (Radio)
-
Radio Volume Down (Radio)
-
Preset Scan (Radio)