SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSHYUNDAI2022SANTA CRUZ SEL, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS - 2.5L (12 OF 16)DTC P1233-00: LOW PRESSURE FUEL SYSTEM - HIGH DEVIATION BETWEEN TARGET AND CURRENT PRESSUREDTC INFORMATION AND INSPECTIONDTC DETECTING CONDITION
2022 Hyundai Santa Cruz SEL, FWD

DTC Information and Inspection: DTC Detecting Condition

2022 Hyundai Santa Cruz SEL, FWDSECTION DTC Detecting Condition
Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor the fuel pressure sensor's signal
  1. Poor connector connection
  2. Poor connection or leakage of fuel line
  3. Open stuck of over pressure relief valve (OPV)
  4. Faulty fuel pump
Enable Conditions
  • Engine running status
  • Target fuel pressure is between 250 and 600 kPa
  • Battery voltage is between 9V and 16V
Threshold Value
  • The deviation between target and actual fuel pressure is higher than specifications
Diagnostic Time
  • 10s
MIL ON Condition
  • No MIL on (DTC only)
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.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.