STATUS
CODE
DISPLAY MESSAGE RECOVERY METHOD CIRCUIT
65527-16 65527-16 Re-key only Display
Node 16
DESCRIPTION BEHAVIOR
CAN messages are not being received from other
nodes - ( Dash Node 16)
Lost Communication from display has no effect on
truck behavior. Visual & password interface inopera-
tive.
Probable Causes and Test Procedures
1. Re-key the vehicle, is the communication code still present?
YES- Proceed to step 2.
NO- Problem is intermittent or noise related, proceed to step 3.
2. Are there any other codes related to indicated node?
YES- Troubleshoot other codes before communication codes. (NOTE: Multiple communication co-
des indicate a system CANbus failure. See CANbus Test.)
NO- Proceed to step 3.
3. Verify connections on EcoSmart Display:
a. Are there any bent / broken pins, poor seating, or wiring damage?
YES- Replace any bent / broken pins, with new properly crimped connections.
NO- Proceed to step 4.
4. Verify proper KEY-IN voltage to display:
a. Ensure B+ Voltage exists between Pin 6 and the B− Terminal of the controller with KEY-SW ON.
YES- Proceed to step 5.
NO- Proceed to step 4b.
b. Inspect GND (Pins 1 and 2) wire for continuity between B− Battery connector and controller B− ter-
minal.
YES- Proceed to step 4c.
NO- Repair GND- 113A wire / crimp terminal / check bolt torque.
c. Verify power wire continuity from Pin 6 to KEY-SW IGN terminal.
d. Verify KEY-SW continuity between BAT and IGN terminals when switched to "ON."
YES- Check for blown FU1 fuse.
NO- Replace faulty KEY-SW.
Troubleshooting 2200 YRM 1415
122
To Next Page
Loading...
