Symptom:
P 0500-WHEEL S P EED S ENS OR P LAU S - CAN B US MES SAGE F ROM
ABS
Wh e n Mo n i to re d a n d S e t Co n d it i o n :
P 0500-WHEE L S P EED S EN S OR P LAU S - CAN B U S MES SAGE F ROM AB S
Wh en Mon it or ed: Wit h t h e ign it ion on .
Set Con dit ion : Th e Boost P ressu re Sensor Sign a l volt a ge exceeds 4.85 volt s for at lea st 2
secon ds.
POSSIBLE CAUSES
INTERMITTENT CONDITION
CH E CK F OR RE LATE D CONTROLLE R ANTILOCK BRAKE S DTCS
CH E CK F OR RE LATE D TRANSMISSION CONTROL MODULE DTCS
ENGINE CONTROL MODULE
TE S T ACTION AP PLICAB ILITY
1 NOTE: If the ECM displays multiple CAN Bus related DTC’s, check the CAN
Bus circuits at the ECM harness connector for proper connection before
continuing with this test.
NOTE: If the ECM detects and stores a DTC, the ECM also stores the
e n gi n e /ve h ic le o p e ra ti n g c o n d i tio n s u n d e r w h ic h th e D TC w a s s e t. S o m e o f
these conditions are displayed on the DRB at the same time the DTC is
displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to
duplicate these conditions may assist when checking for an active DTC.
Tur n th e ign it ion on .
Wit h th e DRB, er a se E CM DTCs.
Test drive th e veh icle.
Wit h th e DRB, r ea d t h e ECM DTC’s.
Does t h e DRB displa y t h is DTC?
All
Ye s → Go To 2
No → Go To 4
2 Tur n th e ign it ion on .
Wit h th e DRB, ch eck for Con t r oller An t ilock Br a kes DTCs.
NOTE:The ECM Receives vehicle speed messages via CAB Bus from the ABS
module. An interruption on the CAN Bus can cause this fault to set.
Are a n y r ela t ed CAB DTCs pr esen t ?
All
Ye s → Refer t o sym pt om list for pr oblem s rela t ed to CAB DTCs befor e
cont in uin g.
Per for m ROAD TE ST VE RIF ICATION - VER-2.
No → Go To 3
69
DRI V EABI LI T Y - DI ESEL
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