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B2172, B2177

Read the instructions below then start the fault diagnostic procedure.

Symptom: Memory setting does not work.

B2172, B2177


B2172 Right Horizontal Motor. Short to B+

B2172 Right Horizontal Motor. Open Circuit / Short to Ground

B2177 Right Vertical Motor. Short to B+

B2177 Right Vertical Motor. Open Circuit / Short to Ground


Fault symptoms

Memory setting does not work.

Condition

Open circuit/shorting to ground. Short-circuit to B+.

Check the wiring

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic tool during the test.

Diagnostic help

The control module outputs can be activated with the diagnostic tool. See table

Important

These diagnostic trouble codes may be generated if the mirrors are adjusted manually at the same time as the memory setting or tilt function is activated.