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TIPM Fuel Relays

What are the signs of a bad fuel pump relay?

A faulty fuel pump relay within the TIPM (Totally Integrated Power Module) of a 2011 Dodge Caravan can exhibit several signs indicating its potential failure. Here are some common signs to watch out for:

2011 and Later Generation TIPM in Chrysler, Dodge, Jeep, RAM, and Volkswagen Vans and SUVs
This generation of Totally Integrated Power Modules (TIPMs) was used by Chrysler between 2011 and 2014 for all of the MiniVans (Chrysler Town & Country, Dodge Grand Caravan, RAM C/V and the Routan– a van made by Chrylser for Volkswagen) as well as Chrysler’s full-size SUVs (Dodge Durango and Journey, Jeep Liberty and Grand Cherokee). Visually indistinguishable from it’s predecessor, this generation of TIPM can be identified by the use of slightly smaller mechanical relays in 3 prominent slots. By 2011, Chrysler began using this TIPM style in the RAM Pickups, temporarily abandoning its foray into using solid state relays in the RAM product line.

Symptoms of a Bad Fuel Relay

  1. Engine stalling or failure to start: A failing fuel pump relay can result in intermittent or complete loss of power to the fuel pump. This can lead to engine stalling or a no-start condition, as the fuel pump fails to deliver the required fuel to the engine.
  2. Intermittent starting issues: The fuel pump relay may malfunction intermittently, causing sporadic starting problems. The vehicle may start fine on some occasions but experience difficulty or delayed starts on others.
  3. Engine misfires or hesitation: Insufficient fuel pressure due to a faulty fuel pump relay can result in engine misfires, hesitation, or a lack of power during acceleration. Inadequate fuel supply affects the combustion process, leading to these performance issues.
  4. Noisy fuel pump operation: A failing fuel pump relay may cause the fuel pump to operate noisily. You may hear unusual buzzing, whining, or clicking sounds coming from the fuel pump area, indicating that it is struggling to receive proper power.
  5. Fuel pump running continuously or not running at all: A faulty fuel pump relay can cause the fuel pump to remain continuously powered, even when the engine is off. Conversely, it may also prevent the fuel pump from receiving power, resulting in a complete lack of fuel supply.
  6. Check Engine Light (CEL) illuminated: In some cases, a malfunctioning fuel pump relay can trigger the Check Engine Light to illuminate on the dashboard. This occurs due to the disruption in the fuel delivery system and may be accompanied by relevant diagnostic trouble codes (DTCs).

I Have a Bad Fuel Relay, What Now?

If you experience any of these signs or suspect a faulty fuel pump relay within the TIPM of your 2011 Dodge Caravan, it is recommended to have the issue diagnosed and repaired by a qualified mechanic or a Dodge dealership. They will be able to use diagnostic equipment to test the TIPM, identify any relay-related faults or error codes, and carry out the necessary repairs or replacements.