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.
2023 Jeep Gladiator Mojave, Part Time T/Case Control, Automatic TransFACTORY OEM SERVICE PROCEDURE
3.6L (GPEC 2A) - DTCS P058A To P062C
- DTC Troubleshooting
- P058A- Battery Monitor Module Performance
- P0600-Serial Communication Link
- P0601-Internal Memory Checksum Invalid
- P0602-Control Module Programming Error/Not Programmed
- P0606-Internal Control Processor
- P0607-Ecu Internal Performance
- P060B-Etc A/D Ground Performance
- P060D-Etc Level 2 App Performance
- P060E-Etc Level 2 TPS Performance
- P060F-Etc Level 2 ECT Performance
- P0615-Starter Control Circuit/Open
- P061A-Level 2 Torque Performance
- P061C-Etc Level 2 Rpm Performance
- P0622-Generator Field Control Circuit/Open
- P0627-Fuel Pump Control Circuit Open
- P0628-Fuel Pump Control Circuit Low
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - Fuel Pump PWM Control Circuit Faults (P0628, P0629, P1205, P120B, P2633, P2634)
- Diagnostic Test - Complete Fuel Pump Control Module System Testing (Not DTC Specific)
- Powertrain Verification Test
- P0629-Fuel Pump Control Circuit High
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - Fuel Pump PWM Control Circuit Faults (P0628, P0629, P1205, P120B, P2633, P2634)
- Diagnostic Test - Complete Fuel Pump Control Module System Testing (Not DTC Specific)
- Powertrain Verification Test
- P062A-Fuel Pump Control Performance
- Notes
- Known Issues - FPCM System
- FPCM System Operation
- Functional Description- Fuel Pump Control Module (FPCM) And Fuel Pump
- Functional Description - Powertrain Control Module (Pcm)
- Technical Data-Fuel System Pressure Specifications
- When Monitored
- Set Condition
- Default Action
- Possible Causes
- Diagnostic Overview-Fuel Pump Control Module
- Preliminary Diagnostic Checks
- Check For An Active Or Intermittent Condition
- Diagnostic Test - Fuel Pump Control Performance Faults (P025B, P027B, P062A, P064A, P26EA)
- Powertrain Verification Test
- P062C-Etc Level 2 Mph Performance
Factory Service Tools
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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.
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