B1461

Code

Other B — Body

Wiper Washer Pump Motor Relay Coil Circuit Short To Ground

Brand: Other

Type: B — Body

Views: UK: 24 EN: 39 RU: 27

AI status

Completed

ready

Completed 100%

Page language: EN

Causes

Damaged wiring insulation contacting chassis ground
Corroded or bent pins in relay or connector causing short
Failed relay with internal short to ground
Water intrusion in connector or pump harness
Incorrect or aftermarket relay with wrong pinout
Faulty body control module (BCM) or relay driver (less common)

Symptoms

Washer pump does not run when activated
Washer fluid not dispensing
Intermittent washer operation or works only sometimes
Blown fuse for washer/wiper circuit
Relay or wiring feels warm/hot
Related dash warning or DTC stored

What to check

Retrieve freeze frame / freeze data and confirm B1461 is current or historic
Visually inspect relay, relay socket, harness and pump connector for corrosion, damage, moisture, or pin deformation
Check fuse(s) for the washer/wiper circuit for continuity and proper rating
Remove relay and check coil resistance across relay coil terminals with a multimeter
With relay removed, measure voltage at relay coil control terminal relative to ground (key ON, request pump)
With relay removed, check for continuity between coil control circuit and chassis ground (should typically be open)

Signal parameters

Typical relay coil resistance (typical small automotive relay): ~50–200 ohms (varies by relay)
Coil supply voltage: nominal battery voltage (~11–14 V) when relay is energized
Control method: coil may be switched to ground by BCM or switched to +12V; resting control-line voltage depends on design (open/high or low)
Expected control current when energized: roughly 60–250 mA depending on coil resistance

Diagnostic algorithm

Confirm the code: read DTCs and note whether B1461 is current or intermittent. Record any freeze frame or related codes.
Visual inspection: disconnect battery negative if doing major repairs. Inspect relay, relay socket, pump connector and harness for damage, corrosion, or water. Dry and clean connectors if contaminated.
Fuse and relay: verify correct fuse intact and correct rating. Remove the suspect relay and inspect for melting or corrosion. Swap with an identical known-good relay if available to test behavior.
Relay coil bench test: measure coil resistance across relay coil pins. If coil shows near 0 ohms, coil is shorted — replace relay.
Control circuit isolation: with ignition ON (and system safe to operate), disconnect the relay and measure continuity between the control circuit pin and chassis ground. A direct short (near 0 ohms) indicates a wiring short to ground downstream of the module; repair wiring.
Voltage check: command washer pump ON while monitoring the control pin voltage with relay removed. Determine whether the BCM supplies ground or +12V and whether the output is stuck to ground.
Trace and repair: if short present with relay removed, trace wiring harness back toward BCM, inspecting grommets, body panels, and common wear points. Repair damaged wiring or replace harness sections as needed. Replace corroded connectors.
Module check: if wiring and relay check good and control output behaves abnormally (stuck to ground with relay removed), suspect BCM/relay-driver fault and consider module testing or replacement per manufacturer procedure.
After repair: clear codes, reconnect battery, test washer pump operation multiple times and verify no recurrence of B1461. Re-scan for stored/related codes.

Likely causes

Chafed or pinched harness where wire contacts body or bracket
Corroded connector at pump or relay socket allowing continuity to ground
Failed relay coil shorted internally
Water ingress into connector or pump assembly
Short on wiring after accessory or service work

Fault status

⚠️ Status

Indicates a detected short to ground on the wiper/washer pump relay coil control circuit. Inspect relay, wiring, connectors, and control module output for shorts, corrosion, or damage before replacing components.

🟡 Repair difficulty: Medium

⏱️ Diagnostic time: 0.5-2.0 hours