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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSJEEP2011LIBERTY RENEGADE, PART TIMEREPAIR AND DIAGNOSISTRANSMISSIONTRANSMISSION CONTROL SYSTEMS(TRANSMISSION CONTROL MODULE (TCM) - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGP0501-VEHICLE SPEED SENSOR 1 PERFORMANCEDIAGNOSTIC TEST
2011 Jeep Liberty Renegade, Part Time
Diagnostic Test
2011 Jeep Liberty Renegade, Part TimeSECTION Diagnostic Test
- CHECK FOR DTCS U0001-CAN C BUS DTC or U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE
- With the scan tool, check DTCs.
Is DTC U0001-CAN C BUS DTC or U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE set?
Yes
- Perform the diagnostic procedure for U0001-CAN C BUS DTC first if it is present.
- Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to Standard Procedure .
No
- Go to 2.
- With the scan tool, check DTCs.
- CHECK FOR ABS DTCS
- With the scan tool, read ABS DTCs.
Are there any ABS DTCs present?
Yes
- Refer to Diagnosis and Testing and perform the appropriate diagnostic procedure.
- Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to Standard Procedure .
No
- Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information.
- Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to Standard Procedure .
- With the scan tool, read ABS DTCs.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.