Grand Cherokee 2WD L6-4.0L VIN S (1997)
Leak Detection Pump: Customer Interest
LDP - Erroneous MIL Illumination, DTC's Set
NO: 18-34-96
GROUP: Vehicle Performance
DATE: Dec. 13, 1996
SUBJECT:
Erroneous MIL Illumination with DTC's $32, $10, $0C, or $AD
MODELS:
1997 (ZJ) Grand Cherokee (California Emissions)
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH 4.0L ENGINES BUILT BEFORE NOV. 1, 1996 MDH (11-O1-XX) WITH
CALIFORNIA EMISSIONS AND A LEAK DETECTION PUMP (LDP).
SYMPTOM/CONDITION:
1.
Erroneous MIL illumination with DTCs:
Hex Code
Description
$32
TRANSMISSION 3-4 SOLENOID/TRANSMISSION RELAY CIRCUIT
$10
A/C CLUTCH RELAY CIRCUIT
$0C
TORQUE CONVERTOR CLUTCH/TRANSMISSION RELAY CIRCUITS
$AD
TRANS 12 VOLT SUPPLY RELAY CTRL CIRCUIT
DIAGNOSIS:
Using the Mopar Diagnostic System (MDS) or the Diagnostic Scan Tool (DRB III) with the appropriate Diagnostic Procedures Manual, verify all
engine/transmission systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and repair as
necessary before proceeding further with this bulletin. If only those DTC's listed above are present, perform the Repair Procedure.
PARTS REQUIRED:
1
04897408AA
Wiring, Leak Detection Pump Jumper
REPAIR PROCEDURE:
This repair involves installing a jumper harness in line with the leak detection pump.
1.
Verify that the ignition switch is in the "OFF" position.
