Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2007GRAND CHEROKEE 2WD V6-3.7L VIN KREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONB CODE CHARTSB123D
2007 Jeep Grand Cherokee 2WD V6-3.7L VIN K
B123D
2007 Jeep Grand Cherokee 2WD V6-3.7L VIN KSECTION B123D
B123D-PTS SENSOR 10 RING TIME TOO SHORT
For a complete wiring diagram refer to Diagrams/Electrical.
- When Monitored:
While the vehicle is in reverse for speeds less than 16km/h.
- Set Condition:
Sensor ring down time exceeds limit (greater than 1450 secs).
Diagnostic Test
1. CHECK FOR ACTIVE DTC: B123D-PTS SENSOR 10 RING TIME TOO SHORT
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: B123D-PTS SENSOR 10 RING TIME TOO SHORT 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 chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
2. REPLACE THE PARK ASSIST SENSOR N0. 10
View Repair
Repair
- Replace Park Assist Sensor No. 10.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.