TM-9-2320-283-13-P
ANTI-LOCK BRAKE SYSTEM (ABS) M915A1
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
AUGUST 2012
TM-9-2320-283-13-P - Page 74 of 400
TM 9-2320-283-13&P
0012
0012-10
Table 4. J1939 Serial Communications.
1st Blink Code
Location
Corrective Action
11
J1939
2nd Blink Code
Fault
Corrective Action
1
J1939 Serial link
a. Loss of communications between ECU controller and other
devices connected to J1939 link.
b. Check for damaged or reversed J1939 wiring.
c. Check for corroded or damaged connectors.
d. Verify ECU configuration.
e. Check for other devices inhibiting J1939 communications.
2
J1939 Retarder
a. Loss of communications between ECU controller and other
devices connected to J1939 link.
b. Check for damaged or reversed J1939 wiring.
c. Check for corroded or damaged connectors.
d. Verify presence of retarder on J1939 link.
e. Check for other devices inhibiting J1939 communications.
3
J1939 Engine
communications
a. Loss of communications between ECU controller and other
devices connected to J1939 link.
b. Check for damaged or reversed J1939 wiring.
c. Check for corroded or damaged connectors.
d. Verify presence of engine ECU on J1939 link.
e. Verify ECU configuration.
f. Check for other devices inhibiting J1939 communications.
Table 5. ECU.
1st Blink Code
Location
Corrective Action
13
ECU
2nd Blink Code
Fault
Corrective Action
2
ECU (10)
All:
a. Check for damaged or corroded connectors.
b. Check for damaged wiring.
c. Clear trouble codes; if diagnostic trouble codes return
replace ECU.
3
ECU (11)
4
ECU (12)
5
ECU (13)
6
ECU (14)
7
ECU (15)
DIAGNOSTIC TROUBLE CODE TABLES–CONTINUED
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