Jeep Grand Cherokee WK. Manual — part 276
B123E-PTS SENSOR 10 RING TIME TOO LONG
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
While the vehicle is in reverse for speeds less than 16km/h.
•
Set Condition:
Data line stuck at 0.
Possible Causes
PARK ASSIST SENSORNO. 10
Diagnostic Test
1.
CHECK FOR ACTIVE DTC: B123E-PTS SENSOR 10 RING TIME TOO LONG
Turn the ignition on.
Apply the vehicle park brake.
Shift the transmission into reverse.
With the scan tool, record and erase Park Assist Module DTCs.
Wait 30 seconds.
With the scan tool, read Park Assist Module DTCs.
Is DTC B123E-PTS SENSOR 10 RING TIME TOO LONG active?
Yes
>> Go To 2
No
>> The condition that caused this code to set is not present at this time. Check for an intermittent condition
by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also
inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated termi-
nals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
2.
REPLACE PARK ASSIST SENSOR NO. 10
View Repair
Repair
Replace Park Assist Sensor No. 10 in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
8B - 30
CHIME/BUZZER - ELECTRICAL DIAGNOSTICS
WK
B210D-BATTERY VOLTAGE LOW
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
While the vehicle is in reverse for speeds less than 16km/h.
•
Set Condition:
Park Assist Module supply voltage less than 9.0 volts.
Possible Causes
VEHICLE CHARGING SYSTEM
PARK ASSIST MODULE
Diagnostic Test
1.
CHECK FOR ACTIVE DTC: B210D-BATTERY VOLTAGE LOW
Turn the ignition on.
Apply the vehicle park brake.
Shift the transmission into reverse.
With the scan tool, record and erase Park Assist Module DTCs.
Wait 30 seconds.
With the scan tool, read Park Assist Module DTCs.
Is DTC: B210D-BATTERY VOLTAGE LOW active?
Yes
>> Go To 2
No
>> The condition that caused this code to set is not present at this time. Check for an intermittent condition
by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also
inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated termi-
nals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
2.
VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM
NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding.
NOTE: Ensure the battery is fully charged.
Are any charging system DTCs present?
Yes
>> (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
No
>> Replace the Park Assist Module in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
WK
CHIME/BUZZER - ELECTRICAL DIAGNOSTICS
8B - 31
B210E-BATTERY VOLTAGE HIGH
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
While the vehicle is in reverse for speeds less than 16km/h.
•
Set Condition:
Park Assist Module supply voltage greater than 16.0 volts.
Possible Causes
VEHICLE CHARGING SYSTEM
PARK ASSIST MODULE
Diagnostic Test
1.
CHECK FOR ACTIVE DTC: B210E-BATTERY VOLTAGE HIGH
Turn the ignition on.
Apply the vehicle park brake.
Shift the transmission into reverse.
With the scan tool, record and erase Park Assist Module DTCs.
Wait 30 seconds.
With the scan tool, read Park Assist Module DTCs.
Is DTC: B210E-BATTERY VOLTAGE HIGH active?
Yes
>> Go To 2
No
>> The condition that caused this code to set is not present at this time. Check for an intermittent condition
by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also
inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated termi-
nals.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
2.
VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM
NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding.
NOTE: Ensure the battery is fully charged.
Are any charging system DTCs present?
Yes
>> (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
No
>> Replace the Park Assist Module in accordance with the service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
8B - 32
CHIME/BUZZER - ELECTRICAL DIAGNOSTICS
WK
B2126-SENSOR SUPPLY VOLTAGE LOW
WK
CHIME/BUZZER - ELECTRICAL DIAGNOSTICS
8B - 33
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