P0231 on Dodge
Fuel Pump Secondary Circuit - Low
P0231 on Dodge vehicles indicates fuel pump secondary circuit - low. Au7o has documented this code across 5 Dodge models — most commonly on Caliber, Durango, Grand Caravan. This code indicates the engine computer detected a low-voltage condition in the fuel pump's secondary (driver/output) control circuit. Many vehicles control the fuel pump through a relay or a dedicated driver module, and the computer monitors the voltage on that circuit to confirm the pump is being powered correctly. When the feedback voltage stays lower than expected, P0231 sets. Because the fuel pump supplies pressurized fuel to the injectors, this fault can cause hard starting, stalling, or no-start conditions. Typical repair costs on Dodge range from $50 to $1,500, depending on the specific model and root cause.
Common Causes of P0231
- •Faulty fuel pump relay
- •Corroded or loose connector at the pump or relay
- •Damaged or shorted wiring in the pump power circuit
- •Poor ground for the fuel pump circuit
- •Failing fuel pump drawing abnormal current
- •Faulty fuel pump driver module
- •PCM/ECM internal driver fault (rare)
P0231 on Dodge by Model
Dodge Caliber(1 issue)
- TIPM Electrical Module Failure2007-2012
Same TIPM design flaw as other Chrysler/Dodge products. Fuel pump relay failure, random electrical activations, and stalling. Can cause both engine and CVT issues through electrical malfunction.
Dodge Durango(1 issue)
- TIPM (Totally Integrated Power Module) Issues2011-2018
The TIPM can develop internal relay failures causing various electrical problems including no-start conditions, fuel pump not activating, horn honking randomly, and other erratic electrical behavior. This is a known Chrysler issue.
Dodge Grand Caravan(1 issue)
- TIPM (Totally Integrated Power Module) Failure2008-2020
The TIPM central fuse/relay box controls all vehicle electrical functions. Internal relays, especially fuel pump relay, fail from solder joint cracking due to thermal cycling. Causes random activation of lights/wipers/horn, sliding doors losing power, battery drain, and no-start conditions. Same TIPM design flaw as Chrysler Town & Country. Most severe in 2008 and 2010-2011.
Dodge Journey(2 issues)
- TIPM Electrical System Failure2009-2014
The TIPM experiences catastrophic failures affecting multiple systems. Fuel pump relay most common failure, causing vehicle to stall while driving. Other failures include power windows, locks, wipers, cruise control. Can drain battery or cause fires.
- Fuel Pump/Relay Failure (TIPM-Related)2009-2015
Fuel pump relay integrated into TIPM fails, preventing fuel pump activation or causing it to run continuously. Engine stalls due to loss of fuel pressure while driving. Most common TIPM failure mode, can strand drivers unexpectedly.
Dodge Nitro(1 issue)
- TIPM Stalling and No-Start2007-2011
The TIPM fuel pump relay and other relays fail, causing vehicle stalling while driving and no-start conditions. Same TIPM design flaw as all Chrysler/Dodge products of this era.
Looking for P0231 on a different make?
View P0231 across all makes →Frequently Asked Questions
What does P0231 mean on Dodge?▼
P0231 stands for "Fuel Pump Secondary Circuit - Low." This code indicates the engine computer detected a low-voltage condition in the fuel pump's secondary (driver/output) control circuit. Many vehicles control the fuel pump through a relay or a dedicated driver module, and the computer monitors the voltage on that circuit to confirm the pump is being powered correctly. When the feedback voltage stays lower than expected, P0231 sets. Because the fuel pump supplies pressurized fuel to the injectors, this fault can cause hard starting, stalling, or no-start conditions. On Dodge specifically, this code is documented across 5 models.
What causes P0231 on Dodge vehicles?▼
Common causes on Dodge: Faulty fuel pump relay, Corroded or loose connector at the pump or relay, Damaged or shorted wiring in the pump power circuit, Poor ground for the fuel pump circuit, Failing fuel pump drawing abnormal current. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix P0231 on a Dodge?▼
Repair costs on Dodge range from $50 to $1,500, depending on the specific model and root cause.
Which Dodge models have P0231 documented?▼
Au7o has documented P0231 on 5 Dodge models: Caliber, Durango, Grand Caravan, Journey, Nitro.