P0232: Fuel Pump Secondary Circuit - High
38 vehicles · 13 makes
P0232 is an OBD-II diagnostic trouble code meaning “Fuel Pump Secondary Circuit - High.” The fuel pump secondary circuit voltage is higher than expected. May indicate a short circuit or relay stuck closed. This code appears across 38 vehicle models from 13 manufacturers.
Common Causes
Diagnostic Tools
To diagnose P0232, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
Vehicles Affected (38)
TIPM Electrical Failures
Fuel Pump Relay Failure (TIPM-Related)
TIPM (Totally Integrated Power Module) Failure
TIPM (Totally Integrated Power Module) Failure
TIPM Electrical Module Failure
TIPM (Totally Integrated Power Module) Issues
TIPM Electrical System Failure
TIPM (Totally Integrated Power Module) Failure
Fuel Pump/Relay Failure (TIPM-Related)
TIPM Electrical Module Failure
TIPM Stalling and No-Start
Denso Fuel Pump Failure Recall
Denso Fuel Pump Impeller Failure - Safety Recall NHTSA 20V-374
Denso Fuel Pump Recall - NHTSA 20V-374 and 23V-111
Fuel Pump Impeller Failure Causing Stalling
Fuel Pump Impeller Failure Causing Stalling and No-Start
Denso Fuel Pump Failure
Fuel Pump Failure Recall (NHTSA 23V-858)
Fuel Pump Failure
Fuel Pump Failure (NHTSA Recall)
Fuel Pump Failure (Multiple Recalls - NHTSA 21V-215, 23V-858)
TIPM (Fuse Box) Failure
TIPM (Totally Integrated Power Module) Failure
TIPM Fuel Pump Relay Failure
Engine Stalling / Loss of Power While Driving
Sudden Power Loss / Engine Stalling While Driving
Low-Pressure Fuel Pump Failure / Engine Stall
Low-Pressure Fuel Pump Failure (Recall)
Low-Pressure Fuel Pump Failure (Recall)
Fuel Pump Impeller Deformation
FAQ
What does P0232 mean?
P0232 stands for "Fuel Pump Secondary Circuit - High." The fuel pump secondary circuit voltage is higher than expected. May indicate a short circuit or relay stuck closed.
What are the most common causes of P0232?
The most common causes of P0232 are: Fuel pump relay stuck closed, Short circuit in wiring, Faulty fuel pump driver module, Wiring harness damage, ECU fault. The specific cause varies by vehicle.
How much does it cost to fix P0232?
Repair costs vary widely depending on the root cause and vehicle.
Which vehicles are affected by P0232?
Au7o has documented P0232 across 38 vehicle models from 13 manufacturers: BMW, Chevrolet, Chrysler, Dodge, GMC, Honda, Jeep, Mazda, Nissan, RAM, Subaru, Toyota, Volvo.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.