System Voltage Below Or Above Threshold


Table of contents

C212A JEEP Possible Causes

  • Faulty
  • harness is open or shorted
  • circuit poor electrical connection

How do I fix code C212A JEEP?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Tech Notes

  • C212A-16-SYSTEM VOLTAGE – CIRCUIT VOLTAGE BELOW THRESHOLD
  • C212A-16-SYSTEM VOLTAGE LOW – CIRCUIT VOLTAGE BELOW THRESHOLD [ AIR SUSPENSION CONTROL MODULE (ASCM) – ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]
  • C212A-16-SYSTEM VOLTAGE LOW – CIRCUIT VOLTAGE BELOW THRESHOLD [ ANTILOCK BRAKE SYSTEM (ABS) – ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]
  • C212A-16-SYSTEM VOLTAGE – CIRCUIT VOLTAGE BELOW THRESHOLD
  • C212A-17-SYSTEM VOLTAGE – CIRCUIT VOLTAGE ABOVE THRESHOLD
  • C212A-17-SYSTEM VOLTAGE HIGH – CIRCUIT VOLTAGE ABOVE THRESHOLD [ ANTILOCK BRAKE SYSTEM (ABS) – ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]
  • C212A-17-SYSTEM VOLTAGE – CIRCUIT VOLTAGE ABOVE THRESHOLD
  • C212A-84-SYSTEM VOLTAGE – SIGNAL BELOW ALLOWABLE RANGE [ ACTIVE CRUISE CONTROL (ACC) MODULE – ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]
  • C212A-84-SYSTEM VOLTAGE – SIGNAL BELOW ALLOWABLE RANGE [ ELECTRO-HYDRAULIC POWER STEERING (EHPS) MODULE – ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]
  • C212A-85-SYSTEM VOLTAGE – SIGNAL ABOVE ALLOWABLE RANGE [ ACTIVE CRUISE CONTROL (ACC) MODULE – ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]
  • C212A-85-SYSTEM VOLTAGE – SIGNAL ABOVE ALLOWABLE RANGE [ ELECTRO-HYDRAULIC POWER STEERING (EHPS) MODULE – ELECTRICAL DIAGNOSTICS: DTC TROUBLESHOOTING ]

Cost of diagnosing the C212A JEEP code

  The cost of diagnosing the C212A JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C212A JEEP Description

  The System Voltage to various control modules is monitored. The OBDII code is set when the System Voltage is below or above threshold expected.

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